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Classification key Y4

Total questions: 10

Worksheet time: 43mins

Name
Class
Date
1.
Why do scientists classify living things?
a)
It helps scientists trap species to study
b)
It is easier to study organisms when grouped 
c)
It is a good way to keep organisms calm
d)
It is helpful when dissecting an organism
2.
Tigers, Jellyfish, Gorillas and Sponges are all part of kingdom _______.
a)
Animalia
b)
Plantae
c)
Fungi
d)
Bacteria
3.

Which of the following is an example of a vertebrate animal?

a)

fly

b)

worm

c)

bird

d)

starfish

4.

Which of the following statements is true of reptiles?

a)

They are cold-blooded.

b)

They have gills.

c)

Their babies drink their mother's milk.

d)

They spend part of their lives in the water and part of their lives on land.

5.

Asia keeps seeing a small animal in her backyard. She observed the animal has a backbone, four legs and a long tail, and its body is covered with scales. What is the classification for this animal?

a)

bird

b)

mammal

c)

reptile

d)

amphibian

6.

Which group of vertebrates possesses gills, two sets of paired fins, and is generally adapted to living in water?

a)

fish

b)

reptiles

c)

mammals

d)

amphibians

7.

Animals that are warm blooded, have body hair, and produce milk for their young are grouped into which of the following classes?

a)

amphibians

b)

mammal

c)

birds

d)

reptiles

8.

Which vertebrate organism can breathe through its skin?

a)

clam

b)

frog

c)

spider

d)

pangolin

9.

All of these animals are grouped together. What characteristics do the animals MOST likely have in common?

a)

eye color

b)

what they eat

c)

hair

d)

feathers

10.

How are sharks and dolphins similar and different?

a)

Similar: they have fins

Different: sharks are fish and dolphins are mammals

b)

Similar: they both lay eggs

Different: Dolphins are fish and sharks are mammals

c)

Similar: they both are fish

Different: Sharks eat dolphins and dolphins eat plants

d)

Similar: they both have a blow holes

Different: sharks lay eggs and dolphins give live birth