The chestnut blight most likely spread unchecked through the eastern United States due to the lack of natural resistance in the American chestnut trees. The fungus was able to infect and kill nearly all adult chestnuts, leading to a decline in their population.
Additionally, the lack of effective control measures at the time also contributed to the spread of the disease. Overall, the chestnut blight was a devastating event for the American chestnut tree population and had long-lasting impacts on the ecosystem.
This was most likely due to a lack of natural resistance in the chestnut population, introduction of the pathogen from a different region, and insufficient preventative measures taken to control the spread of the disease.
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Mendel’s observations of pea plants started the field of ?
A. Probability
B. Genetics
C. Biology
How does natural selection lead to an increase or decreased in heritable traits over time in a population?
Answer:
Not a copy and paste answer
Explanation:
When resources are limited in an habitat, organisms with heritable traits favor more survival and reproduction will tend to leave more offspring then other organisms only because of their heritable traits.
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.
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.
Frequency and Wavelength Listed in the Item Bank are some key terms and expressions associated with the categories seen in the Venn Diagram. To find out more information about items, some have more details available when you click on them. Drag and drop each item onto the proper area of the diagram. If an item describes more than one category, be sure to place it in the overlapping space. ITEM BANK: Move to Bottom Affects the energy of a wave Decreasing this will increase the energy of a Wave Describes how rapidly a wave oscillates (moves up and down or back and forth) Describes the distance between two back to back identical parts of a wave Increasing this will increase the energy of Unit is Hertz a Wave Unit is meter
Answer:
Frequency:
Unit is Hertz, Increasing this will increase the energy of a wave ,Describes how rapidly a wave oscillates (moves up and down or back and forth)
Both: Affects the energy of a wave
Wavelength: Unit is meter, Decreasing this will increase the energy of a wave, Describes the distance between two back to back identical parts of a wave.
Answer:
Frequency:
Unit is Hertz, Increasing this will increase the energy of a wave ,Describes how rapidly a wave oscillates (moves up and down or back and forth)
Both: Affects the energy of a wave
Wavelength: Unit is meter, Decreasing this will increase the energy of a wave, Describes the distance between two back to back identical parts of a wave
Explanation:
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:
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:
1. ATP-ADP cycle talks about energy and has two types; potential energy and kinetic energy. The energy in motion is?
A. Both potential and kinetic energy C. Kinetic energy only
B. Potential Energy only D. none of the choices
2. This is the capacity to do work.
A. Potential Energy C. Chemical Energy
B. Energy D. all of the above
3. What is the product of photosynthesis?
A. Glucose C. Glucose and carbon dioxide
B. Oxygen D. Glucose and oxygen
4. Mitochondria : cellular respiration : : chloroplast : ___________
A. Calvin cycle C. Krebs cycle
B. Chemiosmosis D. photosynthesis
5. From where are heterotrophs directly obtain its energy?
A. the sun C. eating other organisms
B. the sun and eating other organisms D. simple chemicals in the environment
6. NADH & FADH : cellular respiration : : NADPH : ___________
A. phosphorylation C. glycolysis
B. redox reaction D. photosynthesis
7. Light-dependent reaction : energy formation : : Calvin cyle : __________
A. stroma C. ATP synthesis
B. Krebs cycle D. glucose synthesis
8. In the light dependent reaction, what is the first role of the captured energy from photon?
A. to split a water molecule C. to synthesize glucose
B. to energize the electrons D. to produce ATP
9. Plants produce oxygen as a by-product when they photosynthesize. Where is the oxygen come from?
A. from the electron transport chain C. during ATP synthesis
B. by splitting water molecules D. by the chlorophyll
10. Where in the plant cell Calvin cycle take place?
A. thylakoid membrane C. granum
B. thylakoid space D. stroma
11. Which statement correctly describe carbon fixation?
A. the production of carbohydrate molecules from G3P C. the formation of RuBP from G3P molecules
B. the conversion of CO2 to an organic compound D. the use of RUBISCO to form 3-PGA
PHET Energy Skate Park Simulation .Consider this equation: gravitational potential energy = mgh. Which of those variables is changing as the skater moves up and down the track?
Answer:
h - height
Explanation:
gravitational potential energy = m * g * h
m stands for mass. Mass doesn't change in physics
g stands for gravitational acceleration. It is a constant.
h stands for height. When the skater moves up and down the track the height from the ground changes. Therefore this variable does change.
In the equation gravitational potential energy = mgh, the variable that is changing as the skater moves up and down the track is the variable h, which represents the height or vertical position of the skater.
As the skater moves up the track, the height increases, resulting in a higher value for h. Conversely, as the skater moves down the track, the height decreases, leading to a lower value for h.
The other variables in the equation, m (mass) and g (acceleration due to gravity), typically remain constant unless specified otherwise. Therefore, the changing variable in this equation as the skater moves up and down the track is the height (h).
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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.
what is the relation between cell cycle disruption and cancer?
I need help!!!?
Does dna determine your traits
Answer:
yes
Explanation:
because i'm smart
A wave hits an object as shown.
Which kind of wave interaction is shown?
absorption
diffraction
refraction
reflection
Answer:
Absorption is the answer
Answer:
refraction
Explanation:
URGENT!!!
A key principle of ethics is acting the same whether or not you are being observed.
True
False
(its agriculture)
Answer:
If simple subjectivism is true, when one person says X is right and another person says X is wrong, they are having a moral disagreement. False.
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
How many molecules are represented?
2Fe(NO3)2
Taking into account the definition of Avogadro's number, 2 moles of Fe(NO₃)₂ contains 1.2046×10²⁴ molecules.
Avogadro's NumberAvogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance.
Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
Amount of moles in this caseIn this case, you have 2 moles of Fe(NO₃)₂.
Then you can apply the following rule of three: If 1 mole of the compound contains 6.023×10²³ molecules, 2 moles of the compound contains how many molecules?
amount of molecules= (6.023×10²³ atoms× 2 moles)÷ 1 mole
amount of molecules= 1.2046×10²⁴
Finally, 2 moles of Fe(NO₃)₂ contains 1.2046×10²⁴ molecules.
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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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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:
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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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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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.
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.
reproducing a sexuality in sexuality will likely use what type of reproduction when the environment is experiencing change asexual be sexual?
Answer:
Asexual
Explanation:
I need help with this. PLEASE HELP IF YOU CAN!!!
The energy produced by respiration is the in the form of adenosine triphosphate or ____________
Answer:
ATP
Explanation:
Adenosine triphosphate
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.
Describe a grassland ecosystem briefly.
A grassland is a biome, an area of land that mostly has grasses. There are wild grasses, and there may be some trees. Several parts of the world have grasslands. Grasslands are found in Africa, North America, Central Asia, South America, and near the coasts of Australia.
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
why do all the planets in the solar system orbit the sun in the same direction ?
Answer:
The result of the initial rotation of the cloud of gas and dust that condensed to form the Sun and planets. As gravity condensed the clouds, of angular momentum increased the rotational speed and flattened the cloud out into a disk.