Functions and Structures of Animals

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Dolphin's tail

• movement

• covering

• eating

Choose the best answer. Which of the following structures best functions to protect an animal from predators?

• colorful feathers

• thick fur

• sharp spines

• short legs

Check the structures that help with movement.

• A seagull's wings

• A ant's mouthparts

• A frog's tongue

• A tiger's padded feet

• An ostrich's long legs

Check the structures that help with feeding

• A seagull's wings

• A ant's mouthparts

• A frog's tongue

• A tiger's padded feet

• A snake's fangs

An eagle’s sharp talons or _________ are an adaptation for catching and grasping fish swimming near the water’s surface or small animals running on the ground.

• Horns

• Claws

• Lungs

• Stinger

Structures and behavior that allow animals to perform their functions. 

• Adaptation

• Evolution

• Wings

• Instinct 

Tags

NGSS.MS-LS4-4

A hummingbird’s _________ is long and straw-like so that it can sip nectar from inside flowers.

• Lungs

• Ears

• Beak

• Antennae

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NGSS.MS-LS4-2

These give birds lighter body weight, which allows them to be able to fly.

• Brain

• Hollow Bones

• Stinger

• Talons

Tags

NGSS.MS-LS4-2

A __________ is a tube-like beak for sucking fluids.

• instar

• proboscis

• nymph

• clutch

A body part on the outside of an animal that helps it survive is called a(n) _____

• internal structure

• external structure

• organism

• adaptation