Chapter 12 - Animal Structure and Function

What type of skeleton is found inside the human hand?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

• None of the above

Which type of skeleton is represented by the shell outside a snail?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

• Cartilage skeleton

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What type of skeleton relies on water pressure inside an earthworm?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

• Rigid skeleton

Animals are living organisms that can move and _______ to their environment.

• adapt

• sleep

• eat

• grow

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Animals can be classified into two main groups: _______ and invertebrates.

• Vertebrates

• Mammals

• Birds

• Fish

Vertebrates have backbones, while _______ do not.

• Invertebrates

• Mammals

• Reptiles

• Fish

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Which of the following is an example of an invertebrate?

• Dog

• Starfish

• Eagle

• Elephant

What is the outer covering of invertebrates called that provides support and protection?

• Endoskeleton

• Exoskeleton

• Skin

• Fur

Why must some invertebrates shed their exoskeletons?

• To change color

• To grow

• To hide from predators

• To swim faster

What types of animals are included in vertebrates?

• Insects, worms, and jellyfish

• Mammals, birds, reptiles, amphibians, and fish

• Crabs, lobsters, and shrimp

• Sponges, corals, and sea anemones