Evolution Amplify

Why do populations change over time?

• different traits are passed on depending on which traits are favored by the environment

• they mutate

• they lose abilities that are no longer useful

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The newt population became more poisonous over

• selective breeding

• natural selection

• the newt's diet

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Any difference between cells, individual organisms, or groups of organisms of any species is called

• natural selection

• variation

• generation

• distribution

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Why were the newts with the poison gene able to live longer than those newts without the poison gene?

• the newts with the poison gene were able to live longer than the other newts

• the newts with the poison live longer because they are able to reproduce more than the other newts

• both claims are correct

• neither claim is correct

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The poison of the newt was a(n) __________________________ against the snakes in the environment.

• generation

• distribution

• non-adaptive trait

• adaptive trait

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Which is NOT an example of mutations allowing the population to survive the environmental change?

• a mutation for fur to protect against a change in the temperature

• a mutation in poison to protect against an increase of snakes in the environment

• an organism continuing to express the same genes regardless of changes in the environment

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A new trait will only become more common in a population if it is _______________________________

• harmful to predators

• adaptive

• recessive

• dominant

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Which of these structures on a more modern whale is evidence that whales evolved from a land mammal with legs

• fins

• gills

• hip bones

• eyes

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What is the primary mechanism by which evolution amplifies advantageous traits in a population?

• Genetic drift

• Natural selection

• Gene flow

• Mutation

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Which of the following best describes the concept of 'survival of the fittest' in the context of evolution?

• The strongest individuals survive

• The most intelligent individuals survive

• Individuals best adapted to their environment survive

• Individuals with the most offspring survive

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