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4th Grade Animal Structures and Function

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.

Which of the following qualities demonstrates how a frog’s skin is adapted to its environment. Choose all that apply.

a)

It is thin

b)

It is slimy

c)

It is warm

d)

It is moist

2.

The flat teeth of an antelope are teeth used for eating ___________________.

a)

grass

b)

wood

c)

bugs

d)

large animals

3.

The sharp teeth and jaws of alligators are for eating ___________________.

a)

bugs

b)

meat

c)

veggies

d)

grass

4.

The legs are a helpful structure that provide ________________________.

a)

movement

b)

protection

5.

The wings are a helpful structure that provide ________________________.

a)

movement

b)

protection

6.

Fur is a helpful structure that provides ________________________.

a)

motion

b)

protection

7.

Fins are a helpful structure that provide ________________________.

a)

movement

b)

protection

8.

Spines are a helpful structure that provide ________________________.

a)

movement

b)

protection

9.

Which of these are part of the human excretory system? Choose all that apply.

a)

skin

b)

lungs

c)

heart

d)

kidneys

10.

Which sense does a dolphin sometimes use to see in murky water?

a)

touch

b)

hearing

c)

smell

d)

taste

11.

Choose 1 type of receptor in human skin

a)

pain

b)

pores

c)

hard

d)

soft

12.

Choose 1 type of receptor in human skin

a)

touch

b)

pores

c)

hard

d)

soft

13.

Choose 1 type of receptor in human skin

a)

temperature

b)

pores

c)

hard

d)

soft

14.

What do you think will happen if you hold your nose while eating your lunch

a)

You'll eat it more quickly

b)

Your taste buds won't be able to work

c)

Your lunch won't taste as good

d)

The food in your lunch won't look the same

15.

Which of the following help break down food? Choose all the apply.

a)

Heart

b)

Stomach

c)

Small Intestine

d)

Lungs

16.

Responsible for breaking down food

a)

Digestive System

b)

Circulatory System

c)

Respiratory System

d)

Excretory System

17.

Responsible for helping you breathe

a)

Digestive System

b)

Circulatory System

c)

Respiratory System

d)

Excretory System

18.

Responsible for pumping blood throughout the body

a)

Digestive System

b)

Circulatory System

c)

Respiratory System

d)

Excretory System

19.

Responsible for removing waste from the body

a)

Digestive System

b)

Circulatory System

c)

Respiratory System

d)

Excretory System

20.

An octopus can change the color and pattern of its skin to match the environment while hunting prey. How does this help the animal?

a)

To breathe

b)

To eat

c)

To swim

d)

To play

21.

Which of the following best functions to protect an animal from predators?

a)

Colorful feathers

b)

Thick fur

c)

Sharp spines

d)

Short Legs

22.

A seagull's wings helps the animal ____________________.

a)

move

b)

feed

23.

A snake's fangs helps the animal ____________________.

a)

move

b)

feed

24.

An ant's mouth helps the animal ____________________.

a)

move

b)

feed

25.

A tiger's padded feet helps the animal ____________________.

a)

move

b)

feed

26.

A frog's tongue helps the animal ____________________.

a)

move

b)

feed

27.

An ostrich's long legs helps the animal ____________________.

a)

move

b)

feed

28.

Choose the best answer to complete the sentence. Biomimetics is the study of animals to

a)

Help animals feed themselves

b)

Help protect animals from predators

c)

Help scientists design things to help people

d)

Help scientists change animal behavior

29.

Choose two examples of the sense taste

a)

pin dropping

b)

lion roar

c)

spicy pepper

d)

sour cherry

30.

Choose 2 examples of the sense touch

a)

red

b)

smooth

c)

lion roar

d)

bumpy

31.

Choose 1 example of the sense smell

a)

scent of pencil shavings

b)

red

c)

bumpy

d)

sour cherry

32.

Choose 1 examples of the sense to see

a)

red

b)

spicy pepper

c)

pin dropping

d)

smooth

33.

Choose 2 examples of the sense hear

a)

bumpy

b)

pin dropping

c)

lion roar

d)

sour cherry