Animal Life Cycles and Structures

Which is not an example of a salamander's life cycle?

• egg hatches

• loses its gills and grows lungs

• returns to the water to lay eggs

• has live babies

Compare the butterfly life cycle to the grasshopper life cycle? How are they the same?

• Both animals fly.

• Both animals start out as eggs.

• Both animals hang from tree branches.

• Both animals hop.

Which of the following is an internal structure in animals?

• fur

• lungs

• scales

• claws

Which feature is not used to help animals stay safe?

• strong jaws

• lungs

• shells

• scales

Which of the following is a structural adaptation used to help animals move?

• lungs

• fur

• wings

• gills

The brown coat of a deer helps it blend in with its wooded environment. This adaptation is called ___________.

• mimicry

• camouflage

Which is not an example of how internal structures function to support an animal's survival?

• The brain processes information.

• Teeth help animals chew food.

• The heart pumps blood.

• The stomach digests food.

Which are internal structures of an animal? Select all that apply.

• brain

• beak

• heart

• teeth

Which feature do all birds have in common?

• powerful claws

• strong beaks

• feathers

• teeth

Which of the following claims best explains how a body part of a bird helps it survive, based on the chart Andrew made about Bluebird, Hummingbird, Pelican, and Eagle?

• A pelican's large beak helps it catch fish for food.

• A bluebird's small wings help it swim underwater.

• A hummingbird's webbed feet help it walk on sand.

• An eagle's short beak helps it eat nectar.

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