Science Chapter A2: Animal Structure and Function

Scientists classify animals into two large groups based on whether the animals

• eat other animals

• can move about

• have more than one body part

• have a backbone

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Which animal has large, armlike tentacles with stinging cells?

• sea star

• jellyfish

• snail

• sponge

How are amphibians and fish alike

• they have fins to help keep them upright in the water

• their body temperature changes with their surroundings

• their body temperature changes with their surroundings

• they grow legs when they get older

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What is something all animals can do?

• move about on land

• hunt for food

• produce young

• protect their territory

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Which of these animals is a reptile?

• a carp

• an alligator

• a salamander

• an ostrich

The body of a bird is covered with

• scales

• gills

• hair

• feathers

How are all insects alike?

• they can fly

• they have four pairs of legs

• they have two pairs of wings

• they have three body parts

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Wild baby animals are similar to their parents in the way they

• hunt

• learn

• play

• look

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How are a dolphin and a horse alike?

• their skin is dry and scaly

• they have a thick coat of fur

• they are cold blooded

• they feed milk to their young

Which statement best describes an animal behavior?

• the eel has few scales on its body

• the blue whale is the largest living mammal

• the female sea turtle digs a nest for her eggs

• the owl's wing has three parts, like the human arm

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