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Levels of Biological Organization

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

1. The _______ is the basic unit of life.

a)

Atom

b)

Cell

c)

Organ

d)

Tissue

2.

2. A group of cells that has similar functions? Examples are nervous, epithelial, muscle and connective.

a)

Atom

b)

Cells

c)

Organs

d)

Tissues

3.

3. Organs that work together to perform a related function are called _____________?

a)

Cells

b)

Organs

c)

Organs system

d)

Tissues

4.

4. The image above is an example of ____________

a)

Cells

b)

Organ

c)

Organism

d)

Organ system

5.

5. If you see cats, chickens and insects living together in your back yard, these are examples of a ______________.

a)

Community

b)

Ecosystem

c)

Population

d)

Species

6.

6. A group of the same species living together is a(n) ___________.

a)

Biosphere

b)

Community

c)

Ecosystem

d)

Population

7.

7. All living things on earth make up the ______________

a)

Atmosphere

b)

Biosphere

c)

Geosphere

d)

Hydrosphere

8.

The image above is an example of ____________

a)

Cells

b)

Organ

c)

Organism

d)

Organ System

9.

9. All living and nonliving things found in a certain area make up a(n) ____________.

a)

Biosphere

b)

Community

c)

Ecosystem

d)

Population

10.

10. Which of the following sequences of organization is likely to be seen in a multicellular organism, going from smallest to largest?

a)

cell, organ, tissue, organism

b)

cell, organ, system, tissue

c)

cell, tissue, system, organism

d)

organism, system, organ, tissue