Evolutionary Theory

Which two scientists were responsible for the start of evolutionary theory?

• Wallace and Darwin

• King and Darwin

• Curie and Wallace

• Koch and Darwin

What was something that Wallace and Darwin both noticed on their adventures?

• Animals had modifications that made them more successful in their environments

• Animals were well suited for environments that they were unfamiliar with (for example, a polar bear at a Desert zoo).

• Animals showed no differences throughout the globe.

• Some places only had marine animals while others only had land animals.

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What was the main factor behind the Galapagos Island Finches' beak differences? Basically, why were their beaks different?

• Each beak was suited to a different environment

• Each beak was best shaped to attract mates

• The beaks were not different

• The beaks were shaped differently to confuse animals that prey on the Finches.

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__________ can eventually create new species.

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The theory of evolution states that

• species change over time, sometimes developing into new species

• species that are extinct have no biological relationship to living species

• the environment of Earth is constant over time

• different animal species always interbreed to form new and different species

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What does Darwin's theory of evolution suggest?

• species change over time

• extinct species are not related to living species

• different species can interbreed

• animals that look alike are most closely related

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Evolution is the widely held notion that all life is related and has descended from a common ancestor: the birds and the bananas, the fishes and the flowers
 -- all related That is, complex creatures evolve from more simplistic ancestors naturally over time.

• Fact

• Theory

• Law

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Which of the following are mechanisms of evolution? (Check all that apply)

• Natural Selection

• Mutation

• Genetic Drift

• Gene flow

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Which piece of evidence did Wallace and Darwin NOT use to help formulate their hypothesis of evolution?

• Animals do not change over time

• The Earth is very old

• Species change over time and some become extinct

• Individuals compete over limited resources

________ is when one species develops a beneficial trait over time because of who is able to survive and reproduce in each generation.

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