Answer:
The classification systems have undergone several changes with time. The first attempt of classification was made by Aristotle. He classified plants as herbs, shrubs, and trees. Animals, on the other hand, were classified on the basis of presence or absence of red blood cells.
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Echinoderms are organisms that live on the ocean floor. Echinoderms include sea stars and brittle stars, sea urchins, and sea cucumbers. Sea cucumbers move by swimming or squirting water. Sea stars and brittle stars walk on the seafloor using tube feet. Describe the environment in which these organisms live. Predict the adaptations that would be beneficial to echinoderms for living in this environment.
The environment? Its definitely sea. Place with full water and weird fish.
The adaptations. Echinoderms change colour for adaptation while starfish bony, calcified skin, protects them from most predators, and many wear striking colors that camouflage them or scare off potential attackers.
Of the three states of matter -- solid, liquid, and gas -- which one exerts the highest pressure on its container, and why?
Answer:
gas because its going super fast and free
Explanation:
What does the brain stem do?
Answer:
It connects the rest of the brain to the spinal cord, which runs down your neck and back. The brain stem is in charge of all the functions your body needs to stay alive, like breathing air, digesting food, and circulating blood.
Explanation:
The golden-cheeked warbler and the black-throated green warbler look nearly identical to each other. What type of information could be used to determine if the birds are separate species? Select all that apply. The birds breed with each other where their territories overlap. The birds breed with each other where their territories overlap. The birds show differences in mating songs and behaviors. The birds show differences in mating songs and behaviors. The birds do not breed with each other where their territories overlap. The birds do not breed with each other where their territories overlap. The birds compete for food and nesting sites. The birds compete for food and nesting sites.
Answer:
The birds do not breed with each other where their territories overlap.
Explanation:
The correct answer would be that the birds do not breed with each other where their territories overlap.
A species consists of organisms that are phenotypically similar and are capable of mating to produce fertile progeny.
Hence, the first thing to establish that two organisms are not of the same species is the inability to breed with each other. If an eventuality occurs and they are able to breed, the resulting progeny would be invalid.
Therefore the fact that the golden-cheeked warbler and the black-throated green warbler do not breed with each other where their territories overlap is enough information to determine that the birds are separate species.
At the zoo, Anya observes that individuals of a certain kangaroo species have slightly different sizes and colors. What characteristic of populations is Anya observing?
O adaptation
O evolution
O selection
O variation
Use your Punnett Square: Child 1 and Child 2 inherited the genotype predicted to be present in 50% of the offspring, which means they will have freckles. What is their genotype?
Note about the question:
I failed to find the complete question, but I am going to give two possible options about the Punnett square that might be useful. In any of the cases, the answer is the same.
Answer:
The children´s genotype is heterozygous for the freckles trait, Ff.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Arrange the cards to group the correct organelle, function and image together.
This organelle upports and
protects the plant cell
cell Wall
IX
Drects al cell activities. The
*Control center of the cell.
Where DNA Is held
DNA
This orgonelle stores water,
and nutrients of a plant
cell. It can increase of
decrease in se
The assembly workers of
the cell. This orgonelle
makes proteins
The cow genenc normation
Used for making proteine
Determines what goes
n/out of a coll. This
organelle protects and
supports both the animal
and plant colla
The gol-like substance
where most of the cell's
activities take place
Nucleus
Cytoplasm
cell
Membrane
Vacuoje
Ribosome
Answer:
cell wall protects and supports the plant cell
nucleus is the control center of the cell
vacuole stores water
ribosome is the assembly workers
Explanation:
is this correct? 10 points
Answer:
Explanation: first one is wrong it is gray and the second one is right
Answer:
12 is for sure correct
Explanation:
but 11 could be tan or grey i would say grey bc they where good and still are but they went down where now grey is taking over and adapting great to the new environment so i would say grey over tan but your choice
Mendel’s observations of pea plants started the field of ?
A. Probability
B. Genetics
C. Biology
Why does mutation happen regularly? *
Answer:
Explanation:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.
What are some factors that can cause observed evolutionary change?
Answer:
There are four such forces: mutation, gene flow, genetic drift, and natural selection.
Explanation:
Answer:
natural selection, random genetic drift, mutation, population mating structure, and culture.
Explanation:
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what is the relation between cell cycle disruption and cancer?
I need help!!!?
Which layer of Earth's atmosphere is most strongly affected by conditions on the sun's surface?(1 point)
mesosphere
troposphere
stratosphere
thermosphere
Answer: thermosphere
Explanation:
The layer of Earth's atmosphere most strongly affected by conditions on the sun's surface is the thermosphere.
What is thermosphere?The thermosphere is the highest layer of the Earth's atmosphere, extending from about 90 km to 600 km above the Earth's surface. It is the layer where the majority of ultraviolet and x-ray radiation from the sun is absorbed and where auroras occur. The ionosphere, a part of the thermosphere, is where the sun's solar wind and magnetic fields have the strongest impact on the Earth's atmosphere, creating the Northern and Southern Lights.
In comparison, the mesosphere, stratosphere, and troposphere are lower layers of the Earth's atmosphere that are not as directly affected by conditions on the sun's surface.
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Match the following vocabulary words with the correct definitions.
condensation
evaporation
1. decaying or rotting
2. bacteria found in legume nodules
3. transformation from a liquid to a gas
decomposition
precipitation
4. water falling from the atmosphere
5. transformation from a gas to a liquid
rhizobium
fungi
6. plant-like organisms without chlorophyll
Evaporation is transforming from a liquid to gas.
Condensation is transformation from liquid to gas.
Decomposition is decaying or rotting.
Presipitation is water falling from atmosphere.
Fungi is plant-like organisms without chloroplast.
Rhizobium is bacteria found in legume nodules.
Madeleine and jared have a child together. Madeleine has type A blood, Jared has type B blood and their child has type O blood. Jared is questioning the paternity of the child. Determine if Jared could be the father of the child. Can he be the father, Why or why not.
Jared could be the father. Types A and B blood types in parents (in this specific way, that being type A maternally and type B paternally) will result in children with either A, B, AB, or O blood types. The blood types are compatible thus, Jared could absolutely be the father.
what information is copied from DNA to mRNA
Answer: transaction
Explanation:
Answer:
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template.
Explanation:
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mportant vocabulary continued:what is the difference between a unicellular organism and a multicellular organism?
Answer:
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. ... Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions.
Explanation:
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A small primate is observed in South America. It has a prehensile tail, spends most of its time in the trees, and is fairly small. What type of primate is it? HighLighter PopupUnderline Selected TextGreen Color HighlightOrange Color HighlightYellow Color HighlightBlue Color HighlightPink Color HighlightRemove Color Highlight A. Lemur B. Tarsier C. New World monkey D. Old World monkey
Answer:
C
Explanation:yeah
The correct answer is New World monkey as is observed in South America. It has a prehensile tail, spends most of its time in the trees, and is fairly small.
On one hand, a few species of New World monkeys own prehensile tails, which means they are able to use their tails to understand or maintain directly to objects (2). Their tails can resource those monkeys in locating and consuming meals withinside the cover in addition to transferring among the trees, as their tails offer greater help and balance.
The formal time period for the taxonomic organization containing all of the New World Monkeys (NWMs) is Platyrrhini. The NWMs diverged from the Old World monkeys and apes (Catarrhini) round forty million years ago (Perelman et al. 2011). Ancestral species are idea to have migrated to the Americas on rafts of plants or through island hopping (Fleagle 2013). The extant species of NWMs are presently labeled into 5 families, twenty genera, 156 species, and 204 taxa. However, the taxonomy of numerous taxa is debated withinside the literature and, therefore, this type is concern to change.
What is the New World monkey living area?
Many of the monkeys scampering across the forests of Central and South America have some thing unique on their butts-- a further hand. Well, now no longer exactly. It's a prehensile tail-- a greedy appendage that enables the animals navigate the tall and treacherous cover on the lookout for end result and leaves .
Hence concluded that the New World monkey have a prehensile tail, spends most of its time in the trees, and is fairly small.
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How are rabbits adapted? Write in short.
Answer:
The rabbit's eyes are set high on the head, and is complimented with a weak but very flexible neck which allows the animal to rotate its head. These adaptations let the rabbit have a greater field of vision, which helps in spotting food as well as predators. They also have strong legs that are made for running.
Explanation:
Which statement describes the formation of stars?
I'm pretty sure its heat and gasses
Answer:
c
Explanation:
Stars start out as gas dust and other particles hope this helped and hope its correct have a great day!!
Answer:
The correct answer is 'Dust and Gases Contract'
Explanation:
When Dust and Gases shrink, or become smaller, a star is formed.
the connection between limiting factors and invasive species
Answer:
Biology, Ecology, Earth Science, Climatology, Geography
Explanation:
A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource. For example, if there are not enough prey animals in a forest to feed a large population of predators, then food becomes a limiting factor. Likewise, if there is not enough space in a pond for a large number of fish, then space becomes a limiting factor. There can be many different limiting factors at work in a single habitat, and the same limiting factors can affect the populations of both plant and animal species. Ultimately, limiting factors determine a habitat's carrying capacity, which is the maximum size of the population it can support
What is the most basic level of biological organization?
Molecule
Cell
Atom
Organism
Explanation:
A cell is the most basic level of biological organization
The most basic level of biological organization is the cell, which is in the third option, as the cell is the smallest unit of life that can perform all the functions necessary to maintain life.
What is the significance of the cell in biotic substances?The cell is the most basic level of biological organization among the biotic life forms and is the building block of all living organisms such as plants, animals, and humans that contain genetic material, known as DNA, which stores and transmits information from one generation to the next and also cell contains many other essential organelles.
Hence, the most basic level of biological organization is the cell, which is in the third option, as the cell is the smallest unit of life that can perform all the functions necessary to maintain life.
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35 POINTS !!!! Part A
An organism’s adaptations are specific to its native environment. An organism that lives in a coniferous forest will have different adaptations compared to an animal that lives in a tropical rain forest. The following graphs show the temperature and precipitation throughout the year for two different forests: a coniferous forest in Canada, and a tropical rain forest in Belize.
Evaluate the graphs, and then explain why plants from these two ecosystems will have different adaptations. In your answer, explain the survival challenges that plants face in these two environments.
Coniferous Forest
graphical representations of the temperature and precipitation in a coniferous forest from January to December
Tropical Rain Forest
a graphical representation of the temperature (top image) and precipitation (bottom image) in a tropical rain forest from January to December
Answer:
Ok so one graph shows the temperature it’s in the negative so the plant can’t survive all you have to say is the plant is struggling in the coniferous forest because of the climate there is not enough sun and not enough water the graph next to it shows the amount of water it’s getting and horizontally it’s showing the months and the plants progress the plant is barley surviving and will most likely die vs in the tropical rainforest as you can see the temperature is sunny all throughout the year it’s getting the warmth it needs and the graph next to it is again showing the amount of water it is receiving at first there’s not a lot but pushing more into spring and summer time going farther into colder whether there a lot more rain and because it’s a tropical forest the rain doesn’t turn into snow due with the warm climate it’s the perfect weather for the plant and it easily adapts to this weather because that is the natural environment plants need to grow no matter the plant they all need sun and water I hope that helped this is supposed to be a written out answer you can put it in your own words if you like or use it that way but I just did it and I got a 90% on the grade
10. Why are algae NOT considered plants?
A. They are not green.
B. They cannot make their own energy.
C. They live in water.
D. They do not have stems, roots, and leaves.
Answer:
D. they do not have stems, roots and leaves
Algae are not considered as plants as they do not have roots, stems, and leaves.
What are algae?They are a group of predominantly photosynthetic, aquatic, and nucleus containing organisms, which are devoid of the following things:
stemstrue rootsleaves andother unique multicellular reproductive compositions of plantsAlgae comprises chloroplasts and generate food by the process of photosynthesis. However, they are not considered as plants, as they are devoid of several other compositions of true plants like roots, leaves, or stems.
Thus, the correct answer is option D.
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1. Shivering when you are cold is an example of your body trying to maintain
homeostasis.
a. True
b. False
Answer:
true
Explanation:
When the core body temperature drops, the shivering reflex is triggered to maintain homeostasis. Skeletal muscles begin to shake in small movements, creating warmth by expending energy. Shivering can also be a response to a fever, as a person may feel cold.
hope someone can help me
i think it's the independent variable
Answer:
I think it would be A or E? possibly, im not so sure ;v;
please help:) i know it’s not biology but i don’t know what subject to put it under lol
Answer:
D. Overcast skies with strong winds.
Explanation:
clouds, high winds, and precipitation occurs if there is low air pressure is present. A low air pressure areas or regions is also known as cyclogenesis because when the intensity of low air pressure occurs, there is high chances of formation of storms or hurricanes in that region. A low air pressure system refers to a large mass of air that rises due to warmer land or water.
Does dna determine your traits
Answer:
yes
Explanation:
because i'm smart
The childhood viral disease associated with skin blisters and mild fever is _____.
polio
rubella
mumps
chicken pox
How does color affect light waves?
Answer:
Visible light waves consist of different wavelengths. The colour of visible light depends on its wavelength. These wavelengths range from 700 nm at the red end of the spectrum to 400 nm at the violet end. ... Each colour has a different wavelength.
Explanation: