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How Organisms Obtain Energy

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Building up of small molecules into larger molecules

a)

Catabolism

b)

Anabolism

c)

Metabolism

2.

Is the catabolic pathway in which organic molecules are broken down to release energy for use by a cell.

a)

Cellular respiration

b)

Thermodynamics

c)

Photosynthesis

3.

Using the energy of sunlight to make organic molecules from H2O and CO2

a)

Autotrophs

b)

Photoautotrophs

c)

Chemoautotrophs

4.

Organisms that obtain their organic material from other organisms

a)

Consumers

b)

Autotrophs

c)

Producers

5.

Is the anabolic pathway in which light energy from the sun is converted chemical energy for use by the cell

a)

Cellular respiration

b)

Thermodynamics

c)

Photosynthesis

6.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
7.
The process that gets energy from food when oxygen is present is
a)
ATP synthase
b)
cellular respiration
c)
photosynthesis
d)
synthesis
8.
a)
Autotroph
b)
Heterotroph
c)
Megalotroph
d)
Imaginaritroph
9.

BUNNY

a)

AUTOTROPH

b)

HETEROTROPH

c)

AUTOPHOTOTROPH

d)

NONE OF THE ABOVE

10.

If a plant was watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?

a)

Cellular Respiration

b)

Water Absorption

c)

Photosynthesis

11.
What is a food WEB?
a)
an organism that gets energy by eating another organism
b)
organisms that break down dead organisms and waste material
c)
an organism that can make its own food
d)
many overlapping food chains
12.
What is a consumer?
a)
a carnivore that eats flesh of dead animals
b)
an organism that CAN make its own food (autotroph)
c)
an organism that gets energy by eating another organism (heterotroph)
13.
 ___________ is the energy-requiring process which joins smaller molecules together to form larger molecules.
a)
Metabolism
b)
Anabolism
c)
Catabolism
d)
Heat Transfer
14.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
15.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who

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