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Invertebrates Round 2

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What are the characteristics of invertebrates that help classify them as animals?

a)

No Backbone

b)

They can all move

c)

They are multicellular

d)

They must eat food

e)

They are prokaryotes

2.

Which characteristics fit all arthropods?

a)

Segmented bodies

b)

Jointed appendages

c)

6 legs

d)

Exoskeletons

e)

Shells

3.

Which characteristics help classify snails as mollusks?

a)

External Shell

b)

Muscular Foot

c)

Eats food

d)

Soft Body

4.

Select the characteristics of echinoderms.

a)

Water Vascular System

b)

Tube Feet

c)

Internal Skeleton

d)

Bumpy Bodies

5.

What helps classify jellyfish as cnidarians?

a)

Radial Symmetry

b)

Stinging Cells

c)

Tentacles

d)

Have Brains

6.

Earthworms fall into the Annelid Phylum. What are their main characteristics?

a)

Long bodies

b)

Legless bodies

c)

Bilateral Symmetry

d)

Simplest organisms with brains

e)

Have heads and tails

7.

Sponges fall into Phylum Porifera. Why?

a)

No organs or nervous tissue

b)

Filter Feeders

c)

They are not animals

d)

Often have silica spikes to protect them

8.

Which invertebrate groups have bilateral symmetry from baby to adult?

a)

Cnidarians

b)

Worms

c)

Mollusks

d)

Arthropods

e)

Echinoderms

9.

Many sponges have this type of symmetry.

a)

Asymmetry

b)

Radial Symmetry

c)

Bilateral Symmetry

10.

Select all the animals in the echinoderm phylum.

a)
b)
c)
d)
11.

Select the arthropods

a)
b)
c)
d)
12.

Select the cnidarians.

a)
b)
c)
d)
13.

Select all the mollusks.

a)
b)
c)
d)
e)
14.

Select all the worms.

a)
b)
c)
d)
e)
15.

Select all the animals

a)
b)
c)
d)
e)