As per the given scenario, the squirrels of subsequent generations should show greater levels of genetic variation than previous generations, because squirrels that would not have survived in the past will now survive. The correct option is C.
What is natural selection?Natural selection is an evolutionary mechanism. Organisms that are better adapted to their surroundings are more likely to survive and pass on the genes that helped them thrive. Species change and diverge as a result of this process.
As per the given scenario, the squirrels of subsequent generations should show greater levels of genetic variation than previous generations.
It is because squirrels that would not have survived in the past will now survive as the new generation have better adaptability than the previous one due to natural selection.
Thus, the correct option is C.
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If you were given a cube of modeling clay, how would you shape it to have the greatest surface area-to- volume ratio?
To have the greatest surface area to volume ratio, it would be best to flatten the clay and create numerous projections.
The quantity of surface area per unit volume of an object or collection of objects is known as the surface-area-to-volume ratio (also known as the surface-to-volume ratio or abbreviated as SA:V). A cell's volume increases proportionately more than its surface area as its size decreases. As a result, the surface area to volume ratio is higher for smaller objects. For cells, a high surface area to volume ratio is crucial. There is more plasma membrane compared to the interior of the cell when surface area exceeds volume. This makes it feasible for materials to be moved into, out of, and around the cell as effectively as possible.The fact that a surface area must be sufficient to hold the volume helps to explain why most cells are tiny in size.
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how memory and forgetting affects students academic performances
Memory and forgetting make students' academic performances poor
Because they are overburdened by the demands of the classroom, kids with working memory issues frequently struggle academically. They forget important task information, don't follow directions, and don't finish exercises.
Learning depends on memory, but memory also depends on learning because the knowledge that is stored in one's memory serves as the foundation for associating new information. It is a symbiotic relationship that develops over the course of our lives.
The loss or alteration of knowledge that has already been encoded and stored in a person's long-term memory is known as forgetting or disremembering.
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What is the most essential element in bone marrow ?
Answer:
red blood cells, white blood cells, or platelets. Yellow bone marrow is made mostly of fat and contains stem cells that can become cartilage, fat, or bone cells. Enlarge. Anatomy of the bone.
The most essential element in bone marrow is blood stem cells or hematopoietic cells.
What is bone marrow?There are two sorts of bone marrow: purple and yellow. crimson bone marrow consists of blood stem cells that may come to be purple blood cells, white blood cells, or platelets. Yellow bone marrow is made primarily of fats and carries stem cells that could end up as cartilage, fats, or bone cells.Bone marrow is full of collagen, which improves the health and energy of bones and pores, and skin. it is also rich in glucosamine, a compound that allows osteoarthritis relieves joint pain, and decreases irritation inside the joint.It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells. In adult humans, bone marrow is typically located in the ribs, vertebrae, sternum, and bones of the pelvis.Learn more about bone marrow here:-https://brainly.com/question/11306805
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importance of natural resources at least 4 points please
Answer:
1. it helps in producing raw materials for our goods
2.the natural resources provide us fresh air ( oxygen), one of the most essential thing to survive
3. it plays a vital role in sustainable of wild life animals
4. this natural resources are used in cultivation
hope it helps you :)
Importance of natural resources are:
(1) forest provides us with food, timber etc.
(2) air provide us with oxygen to breathe
(3) land is used for cultivation and growing food products
(4) sunlight gives us solar energy which is an important alternative source of energy
n
3
Read the excerpt from Jane Eyre by Charlotte Brontë.
My head still ached and bled with the blow and fall I
had received: no one had reproved John for wantonly
striking me; and because I had turned against him to
avert farther irrational violence, I was loaded with
general opprobrium.
"Unjust!-unjust!" said my reason, forced by the
agonising stimulus into precocious though transitory
power.
What does John's attack of Jane most likely represent
about the human condition?
O cruelty toward the defenseless
O conflict between family members
O the victory of emotion over reason
O the power of the rich over the poor
The thing which John's attack on Jane most likely represents about the human condition is C. the victory of emotion over reason
What is a Narration?This refers to the use of a narrator to show the sequence of events and how they occurred in a given plot.
Hence, we can see that from the given narration, there is a description of the attack which the narrator had faced from John and how when she wanted to retaliate, her reason tried to stop her from engaging in further violence.
This shows the victory of emotion over reason as she did strike back when her emotions goaded her into taking action by stating that it was a shameful thing.
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In which organizational level of life does natural selection occur?
A. Tissues
B. Ecosystems
C. Populations
D. Organisms
Answer:
it is B.)
Explanation:
It happens in populations
Which statement best describes how reproduction leads to natural selection in a population? O Organisms do not produce many offspring, so all of them can survive and pass on their traits. O Organisms overproduce offspring; consequently, all of them are likely to survive and pass on traits. O Organisms overproduce offspring, so only some survive and pass on their traits. O Organisms do not overproduce offspring: therefore, those that are produced will develop. the best traits.
Answer:
Organisms overproduce offspring, so only some survive and pass on their traits. :)
Explanation:
Only those that survive will have the traits to reproduce. These traits will be carried on and the traits that did not help the organism will become less and less likely. :)
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his nutrient is cycled between living things and the soil. Plants absorb this nutrient from the soil and turn it into organic compounds through assimilation. Animals eats the plants and pass the nutrient through the food chain from one organism to another. When the animal dies, it decomposes and returns the nutrient back to the soil. The nutrient can also enter the soil through weathering and erosion.
The nutrient is phosphorus
The phosphorus cyclePhosphorus cycles between living components of the earth (biosphere) and the soil (geosphere).
The element's reservoir is mainly the sediments of the ocean and rocks. Phosphorus gets into the soil by weathering of rocks.
Plants are able to pick the element up from the soil and animals are able to get their phosphorus by consuming plants.
When plants and animal die, their body decomposes and the phosphorus in them enters the soil.
Thus, the cycle being referred to in the illustration is the phosphorus cycle.
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Answer:
c,a,b
Explanation:
Match the neuron feature with its function
_Receives information from another neuron's axon terminal through the Synapse. Sends messages to the soma.
_Contains the nucleus.
_Insulating substance that protects the axon and speeds up the transmission of the messages.
_Gaps in the myelin sheath.
_Gap between two neurons.
A. Connective nerve tissue, B. Dendrites, C. Myelin Sheath, D. Nodes of Ranvier, E. Soma, F. Synapse, G. Transmits movement to muscle.
The neuron is a nerve cell composed of a soma, dendrites, and a myelinized axon. Neurons connect to other nerons through synapsis.
b-1), c-3), d-4), e-2), f-5),
What is a neuron?
Neurons are nerve cells that transmit nerve impulses.
These cells are formed in general by a cellular body, dendrites, and an axon.
The cellular body is called somaDendrites are cytoplasmic extensions that receive stimuli from other cells, The axon is a long formation capable of conducting electrochemical signals.There is a directly proportional relationship between the axon diameter and the conduction velocity. Mielinized fibers are thick and their conduction velocities are very fast.
The conduction velocity increases substantially in myelinated fibers because of the high concentrations of sodium channels in the Ranvier nodes, which are not myelinated areas and the diameter of the axon becomes thinner.
Every neuron forms connections with other neurons known as synapsis. As it happens in every synapsis between neurons when a presynaptic neuron sends information, a neurotransmitter is released.
Neurotrasmitters are chemical substances that travel through the synaptic cleft to the junctional area of the other neuron and bind to its receptors in the postsynaptic membrane.
The binding neurotransmitter-receptor produces a depolarization of the cell called an excitatory postsynaptic potential.
An action potential is initiated and spreads to the rest of the membrane depolarizing it.
B. Dendrites ⇒ 1) Receives information from another neuron's axon terminal through the Synapse. Sends messages to the soma.
C. Myelin Sheath ⇒ 3) Insulating substance that protects the axon and speeds up the transmission of the messages.
D. Nodes of Ranvier ⇒ 4) Gaps in the myelin sheath.
E. Soma ⇒ 2) Contains the nucleus.
F. Synapse ⇒ 5) Gap between two neurons.
A. Connective nerve tissue,
G. Transmits movement to muscle.
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Which type of cells have cell membrane
Answer: animal cells
Explanation:
plant cells have a wall
Consider this animal cell. the organelles in an animal cell are labeled. part e represents small dots on the nucleolus. what is the function of the small, dark organelles labeled e?
Part e represents small dots on the nucleolus. The function of the small, dark organelles labeled e is that they make proteins for the cell. hence the small dots represent Ribosomes.
The process of protein formation in the cell is translation. Amino acids are assembled on the ribosome and a Mrna fragment decodes the amino acid codes and adds the amino acids. This forms a polypeptide chain.A ribosome is a tiny organelle that participates in the production of proteins, also known as protein synthesis. The second stage of protein synthesis, translation, is managed by the ribosome. Ribosomes can be found connected to rough endoplasmic reticulum or floating freely in the cytoplasm.learn more about ribosomes here: https://brainly.com/question/8773679
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PLEASE HELP!! i need help with this for biology i’m desperate please
As per the demonstration of Griffith and Avery, it can be concluded that the given experiment finding supports hypothesis III, i.e. genetic material or transforming substance is DNA.
What is Genetic material?Genetic material may be defined as any substance found in the cells of plants, animals, microbial or other origins that hold genetic information and that departs it from one generation to the next.
In 1944, Avery and others concluded that the transforming material was pure DNA, not protein or RNA.
These investigators found that DNA extracted from a virulent strain of the bacterium Pneumococcus genetically transformed an avirulent strain of the organism into a virulent form.
Therefore, as per the demonstration of Griffith and Avery, it can be concluded that the given experiment finding supports hypothesis III, i.e. genetic material or transforming substance is DNA.
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If the population of beetles in this rain forest community
were to disappear, which of these populations would be
most likely to decrease?
boa constrictor
sloth
beetle
strangler fig
A. Sloth
coati
fungus
B. Poison dart frog
C. Strangler fig
D. Boa constrictor
poison dart frog
fruit bat
If the population of beetles in this rain forest community were to disappear, the population of poison dart frogs will most likely be affected; option B.
What of the populations feed on beetles?Beetles serve as food for poison dart frogs.
Since poison dart frogs depend on beetles for food, then, a decrease in the population of the beetles in the forest community will most likely result in a decrease in the population of the poison dart frogs.
In conclusion, the beetles serves as food for poison dart frogs.
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During germination, starch stored in the cotyledons is broken down .
describe how the breaking down of starch occurs.
Answer:
During germination, starch is degraded by the combined actions of several hydrolytic enzymes such as α-amylase, β-amylase, and α-glucosidase to provide energy for the embryo.
Enzymes hydrolyze starch into simpler sugars during germination, providing a source of energy for seedling growth.
Plant seeds convert their cotyledons' starch into sugars during germination. The seedling needs energy until it can photosynthesise and manufacture its own nutrition. Amylases digest starch. Amylases hydrolyze starch into glucose and maltose. Starch hydrolysis disrupts glycosidic connections between glucose molecules by adding water molecules.
The seedling can easily transfer and convert glucose and maltose into energy through cellular respiration. This energy powers metabolic processes and development when the seedling emerges from the seed coat and grows roots and branches. The plant converts stored starch into sugars to give energy during early development before photosynthesis takes over.
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What parts of the membrain help chemical reactions happen
Answer:
Cell membrane or the organelles
What happens to gravity between two objects when they get farther apart ?
Gravity would increase
Gravity wouldn’t change
Gravity would decrease
Gravity would decrease..
After DNA replication, what is the end result?
Group of answer choices
One brand new DNA molecule that is completely different
Two different DNA molecules, with both having old strands
Two different DNA molecules, with both having new strands
Two identical DNA molecules, each having one old strand and one new strand
Answer:
Two Identical DNA molecule each having one new strand and one old strand
Describe the outer core: Include the thickness (depth), what it is made of, whether it is solid or liquid, and one fact about it.
The outer core of the earth is the only part of the earth that is made up of liquid.
What is the earth core?The earth core is the center part of the earth that is the main source of generation of the earth's magnetic field.
There are different layers of the earth core which includes the outer layer.
The outer layer of the earth is 70 kilometres (3.1–43.5 mi) in depth.
This outer layer is the third layer of the earth and is made up of liquid.
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What grade is full-biology?????
Answer ASAP
What occurs during a solar eclipse?
Earth is closest to the Sun.
There are small tides across Earth.
The moon’s shadow falls on Earth.
The moon is covered in Earth’s shadow.
Answer:
the Moon's shadow falls on Earth
Explanation:
The phenomenon in which the moon's shadow fall on earth or the earth casts its shadow on the moon is known as eclipse. During solar eclipse, moon's shadow falls on the earth. During lunar eclipse, earth's shadow falls on the moon.
٩ʕ◕౪◕ʔو
During a solar eclipse, the moon's shadow falls on Earth. Therefore, option (C) is correct.
When the Moon lines up between the Earth and the Sun, the Moon's shadow falls on the surface of the Earth. This is called a solar eclipse. This can only happen during a new moon, when the three stellar bodies are lined up in a straight line. During a cosmic event called an eclipse, the moon moves in relation to the Sun.
This causes the moon to block the Sun's light, which makes some parts of Earth temporarily darker or completely dark. Solar eclipses can be broken down into three different types: partial, annular, and total. These three types are determined by where the moon is in relation to the Sun and how big it seems to be. A solar eclipse takes place in the area where the moon's shade covers the sun. Therefore, option (C) is correct.
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Estimate a daily total exercise time goal for each crew member on the top of each crew member's health tracker page. If you do not know the best target value, you can put down 100 minutes for now. You'll learn more about this value in another lesson.
Some of the reasons for engaging in exercise are:
To keep fatTo burn fats and caloriesTo stay healthyTo prevent diseases, etcWhat is Exercise?This refers to the physical activity that is done to keep one fit and healthy in both the mind and body.
Hence, we can see that your question is incomplete as you did not give information about the crew members and their exercise goals, so I gave you a general overview.
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What is sampling error, and how can scientists reduce this type of error?
Sampling error is a kind of experimental error that occurs when statistical characteristics of a population are estimated from a sample.
For example, the difference between a population mean and a sample mean is referred to as sampling error.
Scientists can reduce sampling error by taking observations from population rather than just a subset of the population.
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How is glucose different from glycogen?
Glucose is used immediately for energy in the cell while glycogen is stored in the liver for later use as energy.
Glucose and glycogen are both stored in the liver, but glucose is used first for energy, then glycogen.
Both are stored in the cell, but glucose is used first for energy, then glycogen.
Glucose is different from glycogen as Glucose is used immediately for energy in the cell while glycogen is stored in the liver for later use as energy. Thus, the correct option is A.
What is Glycogen?Glycogen may be defined as the reserved form of glucose that is constructed up of many interconnected glucose molecules.
When the cell needs immediate energy to accomplish metabolism, they directly use glucose for it, but while energy is not needed by the cell, then glucose is stored in the liver and muscles in the form of glycogen.
Therefore, Glucose is different from glycogen as Glucose is used immediately for energy in the cell while glycogen is stored in the liver for later use as energy. Thus, the correct option is A.
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Which type of energy is found in food?
OA. Chemical
OB. Thermal
OC. Mechanical
OD. Kinetic
Answer:
Chemical energy
Explanation:
We get chemical energy from foods, which we use to run about, and move and talk (kinetic and sound energy). Chemical energies are stored in fuels which we burn to release thermal energy - this is one way of making electricity, see Electricity for more information.
Observations:
Record any observations about the cells you observed. What does the cell look like for each
stage? What is a distinguishing visible feature of each stage of the cell cycle?
Stages
Description of Cell
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Differences between nucleus and vacuole
Answer:
Explanation: vacuole Stores water, waste, food, and other materials or helps sequester waste products
In which organizational level of life does natural selection occur?
A. Tissues
B. Ecosystems
C. Populations
D. Organisms
What is pollination ?
The process by which pollen grains are transferred from the anther of one flower to the stigma of the same or another flower is known as pollination.
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Which best describes what happens when an animal does not form a social group?
●Foraging is more difficult when hunting a large prey
●Reproduction is easier because of access to multiple mates
●Fighting off predators is easier with one individual
●The division of labor is more difficult as it increase competition
Answer:
Foraging is more difficult when hunting a large prey.
Explanation:
I got it right
when an animal does not form a social group, division of labor is more difficult as it increases competition.
The answer is option D.
What are the benefits of social groups?
A social institution consists of or greater those who often have interaction on the idea of mutual expectations and who proportion a common identification.Social group paintings are a way of social paintings and it enables people to adapt to their problems and surroundings through learning, changing behavior and improving abilities to cope with dynamic needs of life. in this context, a set of sports are proposed to use for converting behavior through the use of social institution paintings.
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What is it called when one hormone helps another have its full effect?
Answer:
it is called permissive interaction
Explanation:
Answer:
In endocrinology, permissiveness is a biochemical phenomenon in which the presence of one hormone is required in order for another hormone to exert its full effects on a target cell.