Darwin, Natural Selection, and Evolution

The idea of evolution by natural selection was developed by

• Charles Darwin

• Charles Lyell

• Jean Baptiste Lamarck

• Albert Einstein

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Darwin discovered 13 species of finch on the Galapagos. He noticed that they had different shaped beaks, and hypothesized that the different beaks developed due to

• predators

• their diet

• the tortoise population

• randomly developed

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One of the requirements for natural selection to occur in a population is

• all animals are the same

• acquired traits

• common ancestors

• variation

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Evolution is

• a trait that helps an organism reproduce

• the ability to survive and reproduce

• changes in organisms over time

• organisms that have better suited traits survive

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What is an acquired trait?

• a trait influenced by the environment

• a trait you are born with

• a trait that is in the DNA of an organism

• a trait that is passed from parent to offspring

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What scientist believed that acquired traits led to evolution?

• Darwin

• Lyell

• Lamarck

• Hutton

The ability to survive and reproduce is called

• evolution

• adaption

• trait

• fitness

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The white fur color in polar bears is an example of

• an inherited trait

• an acquired trait

• a trait influenced by the environment

• a trait polar bears are not born with

What happens to organisms when there is a big change in their environment, like a forest fire?

• organisms become extinct

• organisms die

• organisms with the best adaptations survive

• nothing, they just go on with life

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Natural selection is

• a process where organisms better suited for their environment survive and reproduce

• an inherited characteristic that benefits organisms

• a process of change over time to a species

• surviving and reproducing in an environment

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