Biology College

When are the evolutionary effects of genetic drift the greatest?

The population size is small
The population size is large
$exual selection occurs
Intraspecific competition is weak

Answers

Answer 1

Answer:

The population size is small

Explanation:

If population size is small, the genetic diversity is low. Thus, genetic drift overtime results in individuals with very similar genotype. This is bad news because if a particular disease affects suppose organism with AA genotype and due to genetic drift all members are AA, then all the organisms might be decimated and extinct.

When Are The Evolutionary Effects Of Genetic Drift The Greatest? The Population Size Is Small The Population
Answer 2

Answer:

population size is small

Explanation:

Related Questions


Explain how cell division and cell multiplication follow a pre-
designed program stored in the DNA and what may happen
when cells become uncontrolled and anarchic.

• What is the possible relationship between Psalm 139:13-16
and the pre-design “instructions” that cells follow during
cell division and multiplication?

Answers

Cell division follows a pre-designed program due to differential gene expression, whereas uncontrolled division leads to cancer.

What is cell differentiation?

Cell differentiation is the gene expression process that leads to the development of specialized cell types.

Cancer cells are specific cells that divide in an uncontrolled manner and thus they can generate tumors.

In conclusion, cell division follows a pre-designed program due to differential gene expression, whereas uncontrolled division leads to cancer.

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WHy do the United States had a federal type of government

Answers

Answer: Is the explanation

Explanation: To keep the U.S under control so the other countries don't attack

and also collect tax.

In 3–5 sentences, relate the impact of the industrial use of water for hydraulic fracturing (fracking) with the availability and quality of water.

Answers

Hydraulic fracturing refers to a strategy to obtain fossil fuels (e.g., natural gas) from the Earth's crust.

What is Hydraulic fracturing?

Hydraulic fracturing, commonly known as fracking, is a technique used to obtain fossil fuels from the Earth's crust by causing microfractures at high pressure.

This technique (fracking) is harmful from an ecological perspective because it uses huge volumes of water.

In conclusion, hydraulic fracturing refers to a strategy to obtain fossil fuels (e.g., natural gas) from the Earth's crust.

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Use the drop-down menus to complete each sentence.
А
is an organism that eats other organisms to gain energy, it is also called
A
v is an organism that makes its own food; it is also called
v is an organism that breaks down waste and dead organisms.
А

Answers

Answer:an organism who make its own food is autotrophic

Explanation:

What complementary DNA sequence binds to this DNA sequence: A – G – T – A – C ?

a
C – A – T – G – A
b
T – C – A – T – G
c
U – C – A – U – G
d
G – A – C – G – T

Answers

Answer:

b) T-C-A-T-G

Explanation:

Apples are to Trees

as Cars are to Garages

adenine (A) pairs with thymine (T)

and

cytosine (C) pairs with guanine (G)

Part B What are two strengths and two weaknesses of your model?

Answers

Answer:

strength: it provides raw material for plants and major component of food.

weaknesses: it increases earth's temperature and change the habitat.

Explanation:

The diagram shows the carbon cycle which is important cycle present on the earth. This carbon is present in carbondioxide form which is used as a raw material by plants in order to make their own food. This carbon is also present in different organic compounds. When its concentration increases in the atmosphere, the temperature of the atmosphere increases and many areas are not suitable to live for many plants and animals.

the diagrams represent a rabbit and an owl. rabbits eat only plants and typically feed during the day in open areas such as fields and meadows. owls eat only rabbits and other small animals and hunt mainly at night. identify one physical adaptation represented in the diagram that helps the rabbit survive in its environment. describe how this adaptation helps the rabbit to survive. (1) physical adaptation and (2) description.

Answers

Adaptation: large ears allow rabbits to increase heat loss, helping them maintain body temp in the heat of the day (maintain homeostasis).

The physical adaptations in rabbits include long ears and strong hind legs. These adaptations help rabbits to survive by enabling them to detect and avoid predators, find food, and reproduce successfully.

What is physical adaptation?

Physical adaptations are characteristics that an organism has that help it to survive and thrive in its environment. These adaptations can be structural, physiological, or behavioral and can vary widely depending on the specific organism and the environment in which it lives.

Some examples of physical adaptations in rabbits might include their long ears, which help them to hear predators, or their strong hind legs, which help them to run quickly to escape danger. These adaptations help rabbits to survive by enabling them to detect and avoid predators, find food, and reproduce successfully.

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