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Review Unit 2 - Part 2

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
2.

What do Mammals, Fish, Birds, Reptiles and Amphibians have in common?

a)

Have backbones to support them

b)

Lay eggs

c)

Live in water

d)

Fly

3.

Which of the following lays eggs

a)

Fish

b)

Birds

c)

Reptiles

d)

Birds, Fish & Reptiles

4.

Mammals are Cold Blooded

a)

True

b)

False

5.

Which animal starts it life in the water, then moves on land?

a)

Fish

b)

Bird

c)

Reptile

d)

Amphibian

6.

Which of the following is an example of a mammal?

a)

Polar Bear

b)

Blue Jay

c)

Shark

d)

Crocodile

e)

Salamander

7.

Which animal gives birth to live young?

a)

Birds

b)

Mammals

c)

Reptiles

d)

Amphibians

e)

Fish

8.

A fish lives underwater. What structure does a fish use for breathing?

a)

its tail

b)

its fins

c)

its scales

d)

its gills

9.

What is the major difference between vertebrates and invertebrates?

a)

Vertebrates have a backbone and invertebrates do not.

b)

Invertebrates live in water and vertebrates do not.

c)

Invertebrates have a backbone and vertebrates do not.

d)

Invertebrates are smaller than vertebrates.

10.

Which group does it belong to?

a)

invertebrate

b)

vertebrate

11.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

12.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

13.

Are these animals vertebrates or invertebrates?

a)

vertebrates

b)

invertebrates

14.

Which group does it belong to?

a)

vertebrate

b)

invertebrate

15.
All vertebrates have a ___________.
a)
last name
b)
tail
c)
backbone
d)
neck
16.
Mammals, fish, reptiles, amphibians, and birds are all __________________.
a)
invertebrates
b)
vertebrates
c)
good pets
17.
Horse
a)
Vertebrate
b)
Invertebrate
18.
Is this animal an invertebrate or a vertebrate?
a)
Invertebrate
b)
Vertebrate
19.
I am covered in dry scales and I lay eggs.  What am I?
a)
Mammal
b)
Fish
c)
Amphibian
d)
Reptile
20.
This lion is a mammal because...
a)
It has a backbone.
b)
It has fur/hair
c)
It is ectothermic.
d)
It lays eggs.