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The Interdependence Of Life
Test Description: Test Review!
Instructions: Answer all questions to get your test result.
1) What is the water cycle?
A
It is the creating of water under, on or above the Earth's surface.
B
It is the continuous movement of water under, on or above the Earth's surface.
C
It is the removal of water under, on or above the Earth's surface.
D
It is the storing of water under, on or above the Earth's surface.
2) What are the three main reservoirs of the oxygen cycle?
A
biosphere, the water cycle and rocks
B
atmosphere, the water cycle and rocks
C
atmosphere, the biosphere and rocks
D
atmosphere, the biosphere and the water cycle
3) What removes oxygen from the air?
A
sunlight
B
respiration
C
photosynthesis
D
water
4) What is the global carbon budget?
A
It is the balance of carbon in each reservoir.
B
It is the required carbon output in each reservoir.
C
It is the required carbon level in each reservoir.
D
It is the deficit of carbon in each reservoir.
5) What do you call the predictable changes in the composition or structure of an ecological community?
A
ecological regression
B
ecological succession
C
ecological decline
D
ecological mining
6) What is biodiversity an indicator of?
A
ecosystem location
B
ecosystem health
C
ecosystem growth
D
ecosystem decline
7) Which of the following is a biotic factor of an ecosystem?
A
air
B
grass
C
climate
D
a rock
8) Ecosystems have to have two factors working together in order to function. What are those two factors?
A
biotic factors and abiotic factors
B
temperature and abiotic factors
C
biotic factors and living factors
D
trees and biotic factors
9) What do decomposers do in an ecosystem?
A
They build up dead matter.
B
They are parasites on consumers
C
They break down decomposing matter
D
They do not help the ecosystem
10) Ten percent of energy is transferred from one level to the next level on the energy pyramid. What happens to the other 90% of energy?
A
It is used in reproduction.
B
It is stored as fat.
C
It is given off as heat.
D
It is stored as protein.
*select an answer for all questions
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