Chromosomes duplicate during last phase of mitosis called, option C: telophase.
Prophase, Metaphase, Anaphase, and Telophase are the four basic phases of mitosis. Anaphase or telophase are the first stages of cytokinesis, which is the process of dividing a cell's contents into two new cells. These phases take place in a precise orderly sequence. In telophase, the cell is almost finished dividing, and as cytokinesis (division of the cell contents) occurs, it begins to reestablish its regular structures. Thus, chromosomes create their copies in telophase. Option C is the appropriate choice.
When a single cell (the mother) divides into two genetically identical daughter cells, this process of cell division is known as mitosis. Mitosis, when referring to the cell cycle, is the stage of cell division during which the DNA in the cell's nucleus is divided into two identical sets of chromosomes.
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What is the transfer of heat by direct contact of particles of matter called? a. convection b. radiation c. conduction d. pressure
The transfer of heat by direct contact with particles of matter is called conduction.
Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are closer together than in gasses, where particles are further apart. The rate of energy transfer by conduction is higher when there is a large temperature difference between the substances that are in contact. Conduction, radiation, and convection all play a role in moving heat between Earth's surface and the atmosphere. Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface. During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
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signals leave the av node and descend along this structure toward the apex. is caleed
Signals that leave the AV node and descend along a structure toward the apex are atrioventricular bundles or AV bundles.
The atrioventricular bundle is a bundle of specialized muscles fiber. Their primary function is to regulate the heartbeat by conducting impulses from the right atrium to the ventricle. This bundle is also called 'the bundle of His' (BH) or His bundle (HB).
Attached below is a schematic image of a heart cutaway that shows the atrioventricular bundle. The bundle is represented in red, showing that it originates from near the coronary sinus, and undergoes slight enlargement to form the node.
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1. Which best describes the prevailing cultural view about the age of Earth and evolution before Darwin’s voyage on the HMS Beagle?
a. Earth and life are recent (young) and have remained unchanged
b. Species evolved rapidly after creation during the first six thousand to a few hundred thousand years
c. Earth is billions of years old, but species have not evolved at all
d. Species have evolved on Earth for billions of years
a. Earth and life are recent (young) and have remained unchanged.
What was Darwin's Voyage?Before Darwin's voyage on the HMS Beagle, the prevailing cultural view about the age of Earth and evolution was that Earth and life were recent (young) and had remained unchanged. This view was based on the interpretation of the Bible as literal truth, which suggested that the world was created only a few thousand years ago and that all species were fixed and unchanging.
This view was widely accepted and influenced the scientific community and general public. However, Darwin's observations and research during his voyage challenged this view and laid the foundation for the theory of evolution by natural selection, which provided a more accurate and scientifically supported explanation of the diversity of life and the process of evolution.
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Specialized horizontal underground stem found in ferns. what is a sporangium?
Specialized horizontal underground stem found in ferns is called a rhizome. Sporangium is a structure in which spores are enclosed.
Underground stems known as rhizomes can spread either vertically or horizontally. Their nodes, from which roots or shoots develop, are surrounded by leaves (either scale-like, green leaves, or buds). They are stems rather than roots because they have internodes, tiny leaves, buds, and nodes, which are crucial parts of a stem. They are modified stems, though.
Sporangia can grow near the terminals of stems, along their sides, or in close proximity to leaves. In ferns, sporangia are often located on the abaxial surface of the leaf, or the underside, where they are tightly grouped into clusters called sori. An indusium, a type of structure, might be present across Sori. The sporangia of some ferns are dispersed over the shortened leaf segments.
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what distinguishes a morphospecies?
Morpho species distinguishes as size, shape or coloration.
Many morpho butterflies have metallic, sparkling blue and green colouring. These hues are an illustration of iridescence through structural colouring rather than pigmentation, which gives rise to pigmentation. Particularly, interference effects that rely on both wavelength and angle of incidence/observation are produced by the minute scales coating the morpho's wings as they reflect incident light again at succeeding layers. The colors are unexpectedly homogeneous while appearing to change with viewing angle, possibly as a result of the scales' tetrahedral (diamond-like) structural arrangement or diffraction from below-surface cell layers.
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How to get free Gizmo answers?
ist three simple machines you see in these images.
They aren’t telling me what tools these are
There is no image and no tools .
What are Machines?
These are devices or systems that are designed to perform specific tasks, often using mechanical, electrical, or electronic components. They are used to automate processes and reduce the need for manual labor, making many tasks quicker, easier, and more efficient. Machines can be simple or complex, and they can range from manual tools like hammers and saws, to complex systems like automobiles, computers, and robots. Machines are an important aspect of modern society, playing a crucial role in various fields such as manufacturing, transportation, communication, healthcare, and many others. The development and use of machines has allowed for significant progress and improvement in many areas of life, but it has also raised important ethical, social, and environmental concerns that need to be addressed.
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darwin's second career goal was to be:
Charles Darwin's alternate career thing was to come a naturalist. He wanted to travel around the world studying the different species of shops and creatures, and to observe the environmental factors that affected their development and behaviour.
He was so much fascinated by the differences between the species and wanted to explore how they had evolved over time. Darwin was particularly interested in the Galapagos island ,
He also studied geological samples from the other places he traveled to, similar as the Andes Mountains, Africa, and Australia. Darwin used the information he gathered to develop his proposition of elaboration by natural selection.
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Which is not an accurate depiction of globalization?
a. The benefits of globalization have not been equally shared. b. The acquisition of skills is essential to employment today. c. The number of people living on farms has increased. d. White collar workers can lose their jobs to robots. e. Advances in technology are a major force in globalization
(C) The number of people living in farms has increased is not an accurate depiction of globalization.
Globalization is a phrase used to describe how trade and technology have connected and interconnected the world. Globalization covers the resulting economic and sociological changes. Its beginnings may be traced back to the 18th and 19th centuries, when transportation and communication technologies advanced.
As global relationships have increased, so has international trade and the interchange of ideas, beliefs, and culture. Globalization is essentially an economic process of connection and integration with social and cultural implications. Globalization involves products, services, data, technology, and economic capital resources.
Political globalization refers to the increase in the size and complexity of the global political system. National governments, their governmental and intergovernmental organizations, as well as government-independent aspects of global civil society such as international non-governmental organizations and social movement groups, are all part of this system.
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which type of tissue is highlighted? a histological view of a large pink oval structure containing many varied white gaps inside it. the highlighted structures are four small white gaps.which type of tissue is highlighted? adipose tissue red bone marrow lymphoid tissue bone tissue
Cells containing calcium phosphate and spaced apart by diaphysis make up bone tissue. Two varieties of bone tissue exist. Stronger and more dense bone is compact.
The "yellow bone marrow," which is a specific type of bone marrow, is not present in the "red bone marrow." There are lots of red blood cells and white blood cells because many of the blood cells are created in the red bone marrow. The hemopoietic tissue that can be discovered in the red bone marrow is to blame for this The yellow bone marrow contains only a few white blood cells. There are various names for these two varieties of bone marrow. Due to the high amount of fat present, the yellow bone marrow is referred to as "fatty tissue," and the red bone marrow is known as "myeloid tissue."
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is rna single stranded
RNA can be either single-stranded or double-stranded, depending on the type of RNA molecule.
What are the variations of RNA?
Some RNA molecules, such as messenger RNA (mRNA), are single-stranded and play a role in carrying genetic information from DNA to ribosomes, where they are translated into protein. Other RNA molecules, such as transfer RNA (tRNA) and ribosomal RNA (rRNA), are double-stranded and play key roles in protein synthesis.
RNA can be either single-stranded or double-stranded. Single-stranded RNA, such as mRNA, carries genetic information from DNA to ribosomes for protein synthesis. Double-stranded RNA, such as tRNA and rRNA, also plays a role in protein synthesis. The type of RNA depends on its specific function in the cell.
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Which are the bacteria or bacterial component that can’t be tained by Gram tain?
Based on the composition of their cell walls, bacteria may be distinguished using the Gram stain. Because they lack a cell wall, Mycoplasma, Chlamydia, and Rickettsia species are immune to Gram staining.
What is Gram stain?
A laboratory procedure called gram stain is used to divide bacterial species into two main categories according to the composition of their cell walls. A bacterial sample is stained with crystal violet during the Gram stain process, which is followed by the addition of a decolorizing solution and a counterstain (e.g., safranin). Bacteria will either retain the crystal violet stain (Gram-positive) or lose it and take up the counterstain depending on the composition of the cell wall (Gram-negative).
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The above question is incomplete. The complete question is given below-
Which are the bacteria or bacterial component that can’t be stained by Gram stain?
Though theoretically possible, in the body neurons rarely generate ipsps.a. Trueb. False
The claim that sense neurons' cell bodies are located in the grey commissure, an expanded region of the dorsal root, is untrue.
Dorsal nerve roots provide sensory neural signals to the central nervous system from the peripheral nervous system. Anatomically, a dorsal root ganglion develops from the dorsal root of the spinal nerves. For the central nervous system to react, they transmit sensory data from multiple peripheral receptors. It is generally recognised that DRG has a role in chronic pain. The first description of anaesthesia infiltration of the DRG was made in 1949. It has been possible to target the DRG using the dorsal root entry zone (DREZ), a nearby related neural target, dorsal rhizotomy or gangliectomy, conventional radiofrequency denervation, pulsed radiofrequency, and steroid injection.
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Through a careful process of Selective breeding, dog breeders mixed different dogs with different physical traits to create new forms. Darwin was intrigued by what he was seeing breeders could do with domestic dogs. They could select forindividual such as size or shape, and they could change the look of their breed
Selective breeding is the process of deliberately breeding animals with desired traits.
Dog breeders have used this technique to create new breeds of dogs by mixing different breeds with specific physical traits. Through this process, breeders can choose and reinforce desired characteristics, such as size or shape, leading to a change in the appearance of their breed. Darwin was fascinated by this ability of breeders to manipulate the looks of domestic dogs.
Selective breeding has been used not only in dogs but in other domestic animals and plants to produce desired traits. It is a crucial tool in agriculture and animal husbandry, and has played a significant role in shaping the diversity of species we see today.
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A plant heterozygous for yellow seeds is crossed with a plant homozygous for green seeds.
The cross between heterozygous yellow seeded plant and green seeded plant will produce 50% yellow seeded plants and 50% green seeded plants.
Given that yellow seeds are more common than green ones, the allele for yellow seeds should be written in upper case, whilst the allele for green seeds should be written in lower case. Assume that the allele for green seeds is y and that the allele for yellow seeds is y.
Thus, the genotype of a heterozygous yellow-seeded plant will be "Yy," whereas a green-seeded plant will have the genotype "yy" (as the recessive allele is expressed only in homozygous conditions).
In a hybrid between heterozygous yellow-seeded and green-seeded plants, 50% of the offspring will have yellow seeds and 50% will have green seeds.
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Atp is a type of molecule that can provide energy for biological processes. Explain how the energy is being used in model 4.
Given what we know, we can confirm that ATP is used by cells as the energy source to power cellular activity by breaking the bond that holds its third phosphate.
This molecule provides chemical energy.
This is done by using the chemical energy liberated after breaking the phosphate bond in ATP.
This results in an ADP molecule.
Therefore, we can confirm that in the image, the ATP molecule is being used to power the active transport mechanism by using the chemical energy released when ATP is transformed into ADP through the loss of a phosphate group.
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What is the main problem for people who don't take the simplest under- standing of the first few chapters of Genesis?
The separation of the erratic waters and the orderly creation in Genesis 1 demonstrate the great power of God. God creates time, the sky, the sea, and the land before populating them with life.
What is meant by Genesis?Husserl's problem with genesis is that while transcendental subjectivity must be created by an act of genesis, temporality and meaning must be produced by preceding actions of transcendental subject.
The creation of the planet and all life on it, the fall of Adam and Eve and the introduction of sin into the world, the history of the house of Israel, and the making of covenants by the loving Father in heaven for the salvation of His children are all described in the Book of Genesis.
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In a species of birds, having wide wings (W) is dominant to having thin wings (w).
Which of the following genotypes is INCORRECTLY labeled?
Choose 1 answer:
(Choice A)
A
WW - homozygous dominant
(Choice B)
B
Ww - homozygous dominant
(Choice C)
C
ww - homozygous recessive
(Choice D)
D
Ww - heterozygous
The genotype that is incorrectly labelled is Ww (homozygous dominant) {option B}.
What is a genotype?Genotype is the part (DNA sequence) of the genetic makeup of an organism which determines a specific characteristic (phenotype) of that organism.
According to this question, a species of birds having wide wings (W) is dominant to having thin wings (w). This means that the following genotypes of the bird species applies:
WW - homozygous dominantWw - heterozygousww - homozygous recessiveTherefore, option B is incorrect.
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iodine is an essential element required for the synthesis of thyroxine.
True. Iodine is an essential element that is required for the synthesis of the thyroid hormone thyroxine, which helps regulate metabolism and other important physiological processes in the body.
The thyroid gland, located in the neck, is responsible for producing and secreting thyroxine. Thyroxine is composed of iodine atoms, and adequate intake of iodine is necessary for the gland to produce sufficient amounts of the hormone. A lack of iodine can lead to hypothyroidism, a condition in which the thyroid gland is unable to produce enough thyroxine, leading to a range of symptoms including fatigue, weight gain, and cold intolerance. In many regions, iodine deficiency is prevented through fortification of salt and other food products with iodine.
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The given question is incorrect. The correct question is as follows:
iodine is an essential element required for the synthesis of thyroxine. True or False?
what was the other type of molecule that some scientists thought might carry genetic information?
After Miescher's finding, the majority of scientists held onto the notion that proteins, rather than DNA, were the primary source of genetic information for many years.
While DNA was only a series of repeated sugar molecules joined by a phosphate and one other base, it seemed less conceivable.
This changed in 1944 as a result of a series of ground-breaking investigations by biologist Oswald Avery using the bacteria that cause pneumonia.
Avery and his coworkers conducted several tests and discovered that only DNA could convert R-type bacteria into S-type bacteria. This indicated that DNA might transfer instructions from one cell to another due to property.
Other components of the bacteria, such as protein, did not exhibit this property. The greatest contender for the hereditary material is DNA as a result of this finding, which identified it as the "transforming factor."
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sam has a neuron that responds only to his mother's face. which concept best explains this phenomenon?
The concept of specificity coding best explains this phenomena since Sam has a neuron that only reacts to his mother's face.
What exactly does it mean when we claim that a neuron "responds preferentially" to a certain face?Consequently, that neuron fires more frequently for that face than for others.The amygdala is crucial for processing emotion from facial expressions, according to Adolphs.The ability of the nervous system to modify its activity in response to internal or external stimuli by changing its structure, functions, or connections is known as neural plasticity, also known as neuroplasticity or brain plasticity.The concept of specificity coding best explains this phenomena since Sam has a neuron that only reacts to his mother's face.To learn more about neuron refer to:
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in a fasting urine sample, which of the following is considered an abnormal finding in the urine? multiple choice sodium urea glucose water
An abnormal finding in a fasting urine sample is glucose.
A fasting urine sample is a type of medical test that involves collecting a sample of urine after an individual has not eaten or consumed liquids for a specified period of time, typically 8-12 hours. Sodium, urea, and water are normally present in the urine and are not considered abnormal findings in a fasting urine sample. However, the presence of glucose in the urine is considered an abnormal finding in a fasting urine sample, as glucose is normally filtered out of the bloodstream by the kidneys and reabsorbed into the body. The presence of glucose in the urine can indicate a condition known as glycosuria, which can be caused by a variety of factors, including uncontrolled diabetes or other metabolic disorders.
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Draw the reactants using the drawing tool. Keep in mind that one molecule of nitrogen has two bonded atoms, and one molecule of hydrogen has two bonded atoms.
The formation of one molecule of nitrogen has two bonded atoms, and one molecule of hydrogen has two bonded atoms in ratio 3:1
[tex]N_{2} + 3H_{2} - > 2NH_{3}[/tex]
With the formula NH3, ammonia is a nitrogen and hydrogen inorganic chemical. Ammonia is an odorless, colorless gas with a characteristic unpleasant odor. It is a stable binary hydride and the simplest pnictogen hydride. It contributes considerably to the nutritional demands of terrestrial creatures by serving as a precursor to 45% of the world's food and fertilizers. Biologically, it is a common nitrogenous waste, especially among aquatic animals. About 70% of ammonia is used to create fertilizers, including urea and diammonium phosphate, in a variety of shapes and compositions.
Three moles of hydrogen gas will react with one mole of nitrogen gas to form 2 moles of ammonia gas.
[tex]N_{2} + 3H_{2} - > 2NH_{3}[/tex]
Therefore, the formation of ammonia gas involves reacting hydrogen gas and nitrogen gas in a mole ratio of 3 to 1.
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Answer:
picture from edmentum
Explanation:
Atoms in Chemical Reactions: Tutorial
chart for essay on accumulating fossils
Based on the given data about the earliest fossils in the file attached, a summary is given below about fossils:
History of FossilsThe earliest known fossils date back to about 3.5 billion years ago and are imprints of microorganisms. Over time, as living organisms evolved, the number and variety of fossils increased.
The accumulation of fossils has allowed scientists to piece together the history of life on Earth and gain insights into the process of evolution.
This has helped us understand how species have changed over time and how they have adapted to different environments.
The study of fossils has also provided information on ancient climates and geological events. The collection of fossils continues today, providing new insights and discoveries to further our understanding of the natural world.
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place the heart wall structures in the order you would find them, beginning with the most superficial one first.
Put the heart wall structures in the order you'd find them, starting with the most superficial:
1. Pericardial sac fibrous layer
2. The pericardial sac's serous layer
3. Pericardial space
4. Epicardium
5. The myocardium
6. Endocardium
The epicardium is joined to the visceral layer of the serous parietal pericardium by the epicardium.
The coronary blood vessels run between the epicardium and the myocardium. Fat usually surrounds these vessels.
The myocardium is the heart muscle. It is striated cardiac muscle that is involuntary and is made up of a network of dividing and recombining fibers. This is the section of the heart that allows it to contract. The amount of myocardium in each chamber varies depending on the amount of force required in the contraction; for example, the walls of the ventricles have a disproportionately large amount of myocardium (particularly the left). The myocardium is densely packed with mitochondria, which provide energy to the heart muscle.
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Which of the following organisms are not considered microbes?
A. Protozoa
B. Viruses
C. Bacteria
D. Mosquitoes
E. Fungi
The term "microbes" in and of itself has a very broad range of applications and is used to refer to a variety of tiny species, including bacteria, archaea, fungi, protista, viruses, and others. Thus, option D is correct.
What are the main characteristics of microbes?Mosquitoes carry infections that can lead to a variety of deadly diseases; they also support a rich and dynamic microbial ecology that includes viruses, eukaryotic fungus, and prokaryotic bacteria.
The microbiota in the mosquito's gut has a significant impact on host physiology, including immunity, blood digestion, growth, and reproduction.
These creatures, which are also known as microbes, can only be seen under a microscope. The term "microbes" in and of itself has a very broad range of applications and is used to refer to a variety of tiny species, including bacteria, archaea, fungi, Protista, viruses, and others.
Therefore, Mosquitoes are not considered as microbes.
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The term "microbes" in and of itself has a very broad range of applications and is used to refer to a variety of tiny species, including bacteria, archaea, fungi, protista, viruses, and others. Thus, option D is correct.
What are the main characteristics of microbes?Mosquitoes carry infections that can lead to a variety of deadly diseases; they also support a rich and dynamic microbial ecology that includes viruses, eukaryotic fungus, and prokaryotic bacteria.
The microbiota in the mosquito's gut has a significant impact on host physiology, including immunity, blood digestion, growth, and reproduction.
These creatures, which are also known as microbes, can only be seen under a microscope. The term "microbes" in and of itself has a very broad range of applications and is used to refer to a variety of tiny species, including bacteria, archaea, fungi, Protista, viruses, and others.
Therefore, Mosquitoes are not considered as microbes.
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(APES [1.01] Introduction to Ecosystems)
the role an organism plays in an environment, including biotic and abiotic factors such as habitat, trophic position, and geographic location.
The term “niche” describes the role an organism plays in an environment, including biotic and abiotic factors such as habitat, trophic position, and geographic location
What is an ecosystem ?An ecosystem is a place where many living creatures, such as plants, animals, and other species, coexist to form a bubble of life. Abiotic (or nonliving) and biotic (or alive) components both make up ecosystems. Biotic variables include all living organisms, including plants, animals, and humans.
There are four sorts of ecosystems: artificial, terrestrial, lentic, and lotic. Ecosystems are the building blocks of biomes, which are climatic systems of life and species.
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A deoxyribose sugar, phosphate group, and a nitrogen containing base (A,C,T,G) make up a the monomer of dna
A deoxyribose sugar, phosphate group, and a nitrogen- containing base (A,C,T,G) make up a the monomer of DNA. (True)
What is deoxyribose sugar?Aldοpentοse sugar with an aldehyde group attached is called deoxyribose. This aids the enzymes in the body's ability to distinguish between ribonucleic and deoxyribonucleic acid. Deoxyribose's byproducts play a significant part in biology.
All forms of life derive their genetic information primarily from their DNA. Adenine, thiamine, guanine, and cytosine are among the bases that make up DNA nucleotides.
Life itself, as well as technology and culture, depend on chemical reactions in some fundamental way. Chemical reactions were used in many prehistoric processes, including the burning of fuels, the smelting of iron, the production of glass and pottery, the brewing of beer and wine, and the production of cheese. Chemical reactions are prevalent in the geology, atmosphere, oceans, and a wide range of intricate processes that occur in all living systems on Earth.
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Complete question:
State whether the given statement is true or false.
A deoxyribose sugar, phosphate group, and a nitrogen- containing base (A,C,T,G) make up a the monomer of DNA.
in mid xix century, mendel’s research using pisum sativum provided an answer to a certain major scientific question. this question was ______
Mendel performed these experiments to address the following questions:
a. How traits are transmitted from parental generation to progenyb. What is the basis of inheritancec. Is there any predictable pattern by which progeny are producedGregor Johann Mendel was an Austrian biologist, meteorologist, mathematician, Augustinian monk, and abbot of St. Thomas' Abbey in Brünn (Brno), Moravia. Mendel was born in the Silesian section of the Austrian Empire (today's Czech Republic) to a German-speaking family and is widely regarded as the inventor of modern genetics.
Though farmers had known for millennia that crossbreeding of animals and plants may favor some desirable qualities, Mendel's pea plant studies between 1856 and 1863 established many of the principles of heredity, now known as Mendelian inheritance laws. Mendel experimented with seven pea plant characteristics: plant height, pod form and color, seed shape, and color, and bloom location and color.
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the north american flying squirrel and the draco lizard of southeast asia have both evolved a membrane between their limbs that allows them to glide between trees in their habitats. given that the species do not share a recent common ancestor, which of the following patterns of evolution would explain the development of this anatomical structure in both organisms? parallel evolution divergent evolution convergent evolution a. i only b. ii only c. iii only d. i and ii only
The following patterns of evolution would explain the development of this anatomical structure in both organisms (the north american flying squirrel and the draco lizard of southeast asia have both evolved a membrane between their limbs that allows them to glide between trees in their habitats. given that the species do not share a recent common ancestor) is convergent evolution (option c. iii only )
Sugar gliders are related to kangaroos and koalas, while squirrels are related to flying lemurs. The similarities between the three types of gliders are the result of convergent evolution, which occurs when similar adaptations evolve independently in different groups.
So, over thousands of years, the Draco lizard has removed the ground from the equation by developing the ability to fly.
These so-called flying dragons have elongated ribs that can be extended and retracted. Between these ribs are folds of skin that, when not in use, rest flat against the body but act as wings when unfurled, allowing the Draco to catch the wind and glide. The lizards steer themselves with their long, slender tails, and each sortie can carry them up to 30 feet.
As a result, despite their distant evolutionary relationship, the flying squirrel and Draco lizard have both evolved an anatomical structure for gliding between trees.
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