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Classification of Animals - Invertebrates

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Why do scientists classify animals?

a)

to organize information

b)

to show relationships

c)

to learn more about animals

d)

all of the above

2.

Which is NOT a way scientists classify animals into groups?

a)

by how much they weigh

b)

by their body covering

c)

by whether they are cold-blooded or warm-blooded

d)

by whether they are vertebrates of invertebrates

3.

A(n) ___________________ is an animal that does not have a backbone.

a)

Vertebrate

b)

Invertebrate

4.

An invertebrate is an animals that does not have a?

a)

head

b)

tongue

c)

backbone

d)

blood

5.

A lobster is an invertebrate that lives on/in ____________.

a)

water

b)

land

c)

trees

6.

Dragonflies, stink bugs, and lady bugs are __________.

a)

invertebrates with legs

b)

invertebrates without legs

7.

What is the classification of this animal?

a)

Invertebrate with 3 pairs of legs

b)

Invertebrates with more than 3 pairs of leg

8.

What is the classification of this animal?

a)

Invertebrate with legs

b)

Invertebrate without legs

9.

How many pairs of legs does a crab have?

a)

3 pairs

b)

more than 3 pairs

10.

What is the classification of this animal?

a)

Invertebrate with segmented body

b)

Invertebrate with non-segmented body

11.
a)

Invertebrate with more than 3 pairs of legs

b)

Invertebrate with segmented body

c)

Invertebrate with non-segmented body

d)

Invertebrate with 3 pairs of legs

12.

What is this animal?

a)

Sponges

b)

Sea anemone

c)

Mollusks

d)

Fish

13.

Which of the following is the characteristics of animals above?

a)

Has three pairs of legs

b)

Has hard-outer shells

c)

Has segmented body

d)

Poikilothermic

14.

The dichotomy key above is constructed to classify the 4 animals. State the animal P ?

a)
b)
c)
d)
15.

The dichotomy key above is constructed to classify the 4 animals. State the animal Q ?

a)
b)
c)
d)
16.

The dichotomy key above is constructed to classify the 4 animals. State the animal R ?

a)
b)
c)
d)
17.

The dichotomy key above is constructed to classify the 4 animals. State the animal S ?

a)
b)
c)
d)
18.

Which following animals has non-segmented body ?

a)

Sea anemone

b)

Sponge

c)

Leech

d)

Planaria

e)

Tapeworm

19.

Which of the following animal is invertebrates, has 6 pairs of legs and segmented body?

a)

Ants

b)

Spider

c)

Millipede

d)

Bat

20.

These invertebrates have a soft body and may or may not have a hard outer shell.

a)

mammals

b)

worms

c)

protists

d)

mollusks