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Invertebrate Animals Worksheet

Explore the fascinating world of invertebrate animals with this worksheet for third graders, covering their characteristics and examples.

Grade 3 Science BiologyInvertebrate Animals
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TextMultiple ChoiceTrue / FalseFill in the BlanksShort Answer

Standards

3-LS1-1

Topics

scienceinvertebratesanimalsbiologygrade 3
7 sections · Free to use · Printable
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Invertebrate Animals

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Read each question carefully and answer to the best of your ability. Good luck!

Did you know that most animals on Earth are invertebrates? Invertebrates are animals that do NOT have a backbone. They come in all shapes and sizes and live in many different places, from the deepest oceans to high in the mountains. Let's learn more about them!

1. What is the main characteristic of an invertebrate animal?

a

They have fur.

b

They have a backbone.

c

They do NOT have a backbone.

d

They lay eggs.

2. Which of these animals is an invertebrate?

a

Dog

b

Fish

c

Spider

d

Bird

Read each statement and circle True or False.

1. All insects are invertebrates.

T

True

F

False

2. Worms have backbones.

T

True

F

False

Complete the sentences using the words below.

backbone
invertebrates
exoskeleton
soft

1. Animals without a   are called  .

2. Some invertebrates, like insects, have a hard outer covering called an  .

3. Slugs and snails have   bodies.

1. Name two examples of invertebrate animals.

2. Explain why a fish is NOT an invertebrate.