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PreAP Biology Ecology Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
2.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
3.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
4.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
5.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
6.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
7.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
8.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
9.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
10.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
11.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
12.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
13.
 plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
14.
What are the Abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
15.

What does K represent on this graph?

a)

Predator

b)

Prey

c)

Carrying capacity

d)

Exponential growth

16.

Which two processes make up most of the carbon cycle?

a)

Photosynthesis and respiration

b)

Photosynthesis and protein synthesis

17.

Which compound causes ozone depletion?

a)

CO2

b)

O2

c)

CFC's

d)

H2

18.

Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

a)

The carbon cycle

b)

The water cycle

c)

The nitrogen cycle

d)

The phosphorous cycle

19.

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

a)

burning . . . photosynthesis

b)

fixation . . . decomposition

c)

decomposition . . . photosynthesis

d)

respiration . . . decomposition

e)

respiration . . . photosynthesis

20.

What kind of organism takes out the most carbon from the atmosphere?

a)

Plants

b)

Bacteria

c)

Animals

d)

Humans

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