Darwin's Theory of Evolution

After the Beagle's voyage ended, Darwin spent time thinking about the ______ of Galápagos finches.

• beauty

• habitats

• rarity

• traits

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What question regarding the traits of Galápagos finches did Darwin consider for many years?

• How had an original finch been modified in different ways for different purposes?

• Why were these finch species only found in certain parts of the world?

• Why couldn’t finches with narrow beaks consume a diet of seeds in addition to insects?

• How did this great variety of finch species survive in the same ecosystem?

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What interested Charles Darwin when looking at the different finches?

• Each bird has a different size and shaped beak.

• Each bird had a different wing span.

• Each bird had a different life expectancy.

• Each bird was colored differently.

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Populations of species which do not adapt to their environment can eventually become...

• Humans

• Extinct

• Stronger

• Angry

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Who is Charles Darwin?

• Ms. Fairbanks' distant cousin

• Mr. Sayles' long lost brother

• The man who invented Pop-Tarts

• The man who discovered the Theory of Evolution

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Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that don't. This process is known as..

• Natural Selection

• Changing Theory

• Survival Idea

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Describe what the doubt did to the average beak size.

• The average beak size went down.

• The average beak size went up.

• The average beak size stayed the same.

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Describe what will happen to the population of birds in this area.

• The bird population will not change.

• There will be more birds with shorter beaks.

• There will be more birds with long beaks.

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A characteristic of an individual organism?

• Natural Selection

• Small

• Trait

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In a species that has multiple color variations which organisms would be more likely to survive and reproduce?

• The species that has a color variation that stands out from its surroundings

• The color variation has no effect on predator attacks

• The organism that has a color variation that matches its surroundings (camouflage)

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