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Worksheets

Animal Structure and Function

Total questions: 30

Worksheet time: 27mins

Name
Class
Date
1.

An exoskeleton

a)

is on the inside of the body.

b)

protects the soft inner organs.

c)

is only found in crabs.

d)

is found on every animal.

2.

Animal skeletons -

a)

some are exoskeletons and some are endoskeletons

b)

help them move and walk

c)

are different based on their shape and size

d)

all answer options are correct

3.

The human body without a skeleton would be:

a)

straight and strong

b)

hard and able to walk

c)

floppy and soft

d)

like a stiff board

4.

Choose the correct body covering for the animal shown.

a)

fur

b)

feather

c)

scale

5.

Choose the correct body covering for the animal shown.

a)

fur

b)

feather

c)

scale

6.

Choose the correct body covering for the animal shown.

a)

fur

b)

feather

c)

scale

7.

The frog's body covering is...

a)

Fur

b)

Feathers

c)

Scales

d)

Moist Skin

8.

What type of body covering is shown in the picture?

a)

Fur

b)

Feathers

c)

Scales

d)

Moist Skin

9.

What covering does the turtle have?

a)

Fur

b)

Feathers

c)

Shell

10.

What covering does the snail have?

a)

Fur

b)

Smooth skin

c)

Shell

11.

What is the main function of fur?

a)

to provide warmth

b)

to provide protection from diseases

c)

to help an animal fly

12.

Snakes and butterflies have scales, but they have different functions. Which of the following is the function of a butterfly's scales?

a)

to help it fly

b)

to provide warmth

c)

to protect itself from predators

13.

What is the main function of a shell?

a)

to absorb sunlight from the sun for warmth

b)

to keep the animal moist

c)

to protect the animal's soft body

14.

Which is an internal structure?

a)

Hair

b)

Teeth

c)

Lungs

d)

Claws

15.

Structures that are found outside an organism's body

a)

internal structures

b)

external structures

16.

Structures that are found inside an organism's body

a)

internal structure

b)

external structure

17.

The internal organ that pumps blood is the

a)

Heart

b)

Brain

c)

Liver

d)

Stomach

18.

The _____________ is the structure that receives information about an animal’s environment.

a)

Lungs

b)

Hair

c)

Brain

d)

Heart

19.

This internal organ processes the food you eat.

a)

Brain

b)

Heart

c)

Lungs

d)

Stomach

20.

What is the function of bones?

a)

to protect our internal organs

b)

to provide structure to our body

c)

to make us strong

d)

to help us see danger

21.
Some animals, such as birds, have beaks, while other animals, like horses, have large mouths with flat teeth.
The difference in these structures is most closely related to -- 
a)
the sounds the animals make.
b)
the habitat the animals live in.
c)
the type of offspring they have.
d)
the types of food these animals eat.
22.
Some animals, such as wolves, have thick fur, while other animals, such as birds, have feathers.
The function of these body coverings is similar because of --
a)
their ability to hide from predators.
b)
the temperature of the environment they live in.
c)
their ability to attract the attention of the other animals.
d)
the types of food they eat.
23.

The organ for breathing that provides oxygen from the air to the blood and takes carbon dioxide from the blood.

a)

gills

b)

lungs

c)

heart

d)

brain

24.

The external organ that takes oxygen from the water to allow certain animals to breathe.

a)

Brain

b)

Lungs

c)

Gills

d)

Kidney

25.

What is a large exoskeleton called?

a)

Snail

b)

Shell

c)

Crab

d)

Turtle

26.

What is the thinking part of the brain?

a)

Cerebellum

b)

Cerebrum

c)

Brain Stem

27.

Which internal organ is used for processing food?

a)

A

b)

B

c)

C

d)

D

28.

Which internal organ is used for breathing?

a)

A

b)

B

c)

C

d)

D

29.

What is the function of claws? Select all that apply.

a)

Tearing apart prey

b)

Capturing prey

c)

Digging

d)

Climbing

30.

What type of covering does the lobster have?

a)

Scales

b)

Feathers

c)

Moist Skin

d)

Exoskeleton