Structure of Living Things

Front

What is an exoskeleton?

Back

An exoskeleton is a hard outer structure that protects some animals, like insects and crustaceans.

Front

What is a disadvantage of having an exoskeleton?

Back

A disadvantage of an exoskeleton is vulnerability when growing, as the animal must shed its exoskeleton to grow.

Front

What are internal structures in animals?

Back

Internal structures are parts inside an animal's body, like lungs, that help it function.

Front

Can you name an internal structure of a lizard?

Back

Lungs are an internal structure of a lizard.

Front

What is the function of a lizard's tail?

Back

A lizard's tail can be used for swimming, balancing, or defense.

Front

What do water monitor lizards use their tails for?

Back

Water monitor lizards use their tails primarily for swimming.

Front

What is a horn structure in beetles used for?

Back

Beetles use their horn structures to battle for a mate.

Front

What are external structures in animals?

Back

External structures are parts on the outside of an animal's body, like claws or skin.

Front

Can you name an external structure that helps lizards dig?

Back

Claws are external structures that help lizards dig and climb.

Front

What is the purpose of claws in lizards?

Back

Claws help lizards to dig, climb, and catch prey.