Unit 3 Growth and Survival

What do insects us to get oxygen?

• lungs

• spiracles

• stomata

• gills

What is the advantage of seeds that can be spread over a wide area?

• They are more likely to start growing.

• They will have more competition.

• They are more likely to develop mutations that are helpful.

• They may less competition for resources.

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How many stages are in complete metamorphosis?

• 3

• 4

• 5

• 6

Which are the stages of incomplete metamorphosis?

• egg, pupa. larva, adult

• egg, nymph, adult

• egg, adult

• nymph, egg, adult

What is a change in a gene called?

• an adaptation

• a physical characteristic

• a behavioral characteristic

• a mutation

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Which of the following statements is true about succession?

• It follows change.

• It is unpredictable.

• It requires constant conditions.

• It results in unstable communities.

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Which of the following is an example of a behavioral adaptation?

• a flamingo's feathers turning pink from its food

• a snowshoe hare turns white in the winter

• a robin builds nests out of sticks

• a Komodo dragon has a poisonous bite

In the Galapagos Islands, finches on the different islands have beaks of different shapes, which helps them gather food that grows on the island where they live. The different beaks are examples of

• structural adaptations

• behavioral adaptations

• instincts

• seasonal adaptations

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