Unit 7

What did Darwin conclude about evolution when he traveled to the Galapagos Island?

• Each island had similar species with different traits so he thought they adapted.

• One island only had a few species.

• Finches evolved together.

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What did Darwin conclude about the finches on the Galapagos Islands?

• Finches descended from one common ancestor.

• Finches are pretty.

• Individual finches on each island developed different beak shapes to adapt to the different food.

• Finches are fun.

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What is adaptation?

• Getting along with others.

• How an organism becomes better suited to its environment.

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Why is it important to develop adaptations?

• To be the best

• To survive

• To swim

• To fly

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Which is an adaptation that polar bears need?

• Fur

• Teeth

• Claws

• All of the above

What is natural selection?

• Selecting friends naturally

• Relying on popular traits becoming more common

• A random process

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What is an example of natural selection?

• Leaf eating insects are green

• Plants are crossed to express desirable traits

• Finches have stronger beaks after a drought

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Why do Darwin's finches have different types of beaks?

• The beaks were popular

• Finches on different islands ate different food.

• Food was limited

• There was no food

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List one species that may not have been successful therefore did not evolve.

• Shark

• Alligator

• Bacteria

• Saber tooth cat

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Why may panda's become extinct?

• Too cold

• Too warm

• Single food source

• Too cute

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