Evolution

What is the basic idea behind the theory of evolution?

• Organisms remain unchanged over time.

• Organisms change over time due to random events.

• Organisms change over time through natural selection, adapting to their environment.

• Organisms spontaneously generate to adapt to environments.

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Which scientist is credited with the theory of natural selection?

• Gregor Mendel

• Isaac Newton

• Charles Darwin

• Albert Einstein

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What is an adaptation?

• A temporary change in an organism's behavior.

• A genetic variation that is favorable in the current environment.

• A rapid evolution in response to a predator.

• A conscious choice by an organism to change.

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Which of the following is an example of an adaptation?

• A polar bear's white fur.

• A tree losing its leaves in winter.

• A human learning a new language.

• A fish swimming in a school.

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What does the fossil record provide evidence for?

• The immutability of species.

• The instantaneous creation of life forms.

• Evolutionary changes over time.

• The effectiveness of modern medicine.

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What is meant by "survival of the fittest"?

• The strongest animals survive while the weak die.

• Only the fastest animals survive.

• Organisms that are best adapted to their environment tend to survive and reproduce.

• Animals with the most aggressive behaviors survive.

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Which of the following is NOT a mechanism of evolution?

• Natural selection

• Genetic drift

• Artificial selection

• Spontaneous generation

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What role does genetic variation play in natural selection?

• It has no effect on natural selection.

• It decreases the rate of evolution.

• It provides the raw material for selection to act upon.

• It stabilizes a species without changes.

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Which of the following best describes the process of natural selection?

• Organisms decide to adapt based on environmental conditions.

• The environment randomly selects organisms to survive.

• Organisms with beneficial traits are more likely to survive and reproduce.

• All organisms have an equal chance of survival.

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What evidence supports the theory of evolution?

• The consistency of DNA sequences across different species.

• The lack of fossil records.

• The similarity of all living organisms.

• The constant environment in which all organisms live.

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