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Patterns of evolution

Authored by Sarah Pepperdine

Biology

12th Grade

Used 3+ times

Patterns of evolution
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37 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is genetic drift?

A) A process where individuals with a particular allele leave more descendants by chance, causing the allele to become common in a population.

B) A process where natural selection favors certain traits, leading to evolution.

C) A process where mutations occur at a constant rate, leading to genetic variation.

D) A process where individuals migrate to new areas, leading to gene flow.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are smaller populations less likely to follow the laws of probability seen in bell curves or Punnett squares?

A) Because the frequencies of alleles are more random.

B) Because they have more genetic diversity.

C) Because they are more influenced by natural selection.

D) Because they have a higher mutation rate.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is gene flow?

The movement of genes within a population

The movement of an individual from one population to another

The random change in allele frequencies in a population

The process of natural selection

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is often a result of gene flow?

Natural selection

Genetic drift

Mutation

Speciation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can gene flow introduce to a population?

New species

New genes

New habitats

New behaviors

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is extinction?

When an entire species dies out.

When a species migrates to a new habitat.

When a species evolves into a new form.

When a species increases in population.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do populations have to compete for limited resources?

To increase their size.

To adapt and survive.

To migrate to new areas.

To become extinct.

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