wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 4: How do we Classify Life Review!

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Based on these four organisms, which organism would be considered part of domain bacteria?

a)

1

b)

2

c)

3

d)

4

2.

Based on these four organisms, which organism(s) would be considered part of domain eukarya?

a)

1

b)

2

c)

3

d)

4

3.

Obligate aerobes require oxygen to survive. Obligate anaerobes will die if they come into contact with oxygen.


During the Early Earth's Atmosphere, which organisms would you expect the earliest forms of life to be?

a)

Single-celled obligate aerobes

b)

Multi-cellular obligate aerobes

c)

Single-celled obligate anaerobes

d)

Multi-cellular obligate anaerobes

4.

Which Eukaryotic Kingdom can be identified with a cell wall?

a)

Bacteria

b)

Animalia

c)

Plantae

d)

Fungi

5.

Using this cladogram, which two organisms are most distantly related

a)

Crocodiles and Birds

b)

Mammals and Birds

c)

Turtles and Lizards

d)

Turtles and Birds

6.

Using this cladogram, which two organisms are most closely related

a)

Crocodiles and Birds

b)

Mammals and Birds

c)

Turtles and Crocodiles

d)

Turtles and Birds

7.

Using this cladogram, which two organisms are least related?

a)

Primates and Rodents

b)

Birds and Rodents

c)

Fish and Rodents

d)

Amphibians and Primates

8.

Using this cladogram, which two organisms are most closely related?

a)

Primates and Rodents

b)

Birds and Rodents

c)

Fish and Rodents

d)

Amphibians and Primates

9.

Our classification has changed over time. This most recent technology has allowed differentiation of organisms.

a)

Morphology (The Shape of the Organism)

b)

DNA Sequencing

c)

Microscope technology

d)

Electron Microscope Technology

10.

Which domain's organisms would have freely floating DNA and be considered Extremophiles?

a)

Bacteria

b)

Eukarya

c)

Archaea

d)

Plantae

11.

Which domain's organisms would have freely floating DNA and be found everywhere?

a)

Bacteria

b)

Eukarya

c)

Archaea

d)

Plantae

12.

Which domain's organisms would have a nucleus and membrane bound organelles?

a)

Bacteria

b)

Eukarya

c)

Archaea

d)

Plantae

13.

What is the most important evidence used to classify organisms?

a)

Genetic Sequence (DNA Sequence)

b)

Morphology (How the organism looks)

c)

Size (How large the organism is)

d)

Microscopy (How alike cells look to each other)

14.

What is one characteristic shared by Animals and Fungi

a)

Motile

b)

Prokaryotic

c)

Unicellular

d)

Heterotrophic

15.

What is one characteristic that is shared by Plantae and Animalia

a)

Motile

b)

Prokaryotic

c)

Multicellular

d)

Heterotrophic