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Ecosystem Review
Test Description: Review for your test tomorrow!
Instructions: Answer all questions to get your test result.
1) What term refers to all life on Earth and where life exists on Earth?
A
species
B
biomagnification
C
biotic factor
D
biosphere
2) Biotic and abiotic factors together make up a(n)
A
individual species
B
community
C
population
D
ecosystem
3) A large area with similar climate, plant, and animal life is called a:
A
population
B
biome
C
biosphere
D
ecology
4) The products of photosynthesis are
A
glucose and water
B
glucose and oxygen
C
carbon dioxide and water
D
carbon dioxide and oxygen
5) Producers and consumers both use this process to obtain energy:
A
cellular respiration
B
carbon cycle
C
photosynthesis
D
water cycle
6) As the trophic (feeding) levels of a food chain increase, the energy available...
A
increases
B
biomagnifies
C
stays the same
D
decreases
7) When organisms interact and both benefit from the interaction, what term is used to describe this interaction?
A
mutualism
B
commensalism
C
ecological pyramid
D
parasitism
8) A consumer that eats both producers and other consumers is called a:
A
omnivore
B
herbivore
C
carnivore
D
producer
9) Organisms at higher trophic levels have _________ toxins as compared to lower trophic levels.
A
lower
B
equal
C
higher
D
none of the above
10) Human population on Earth is currently at...
A
8
B
8 billion
C
80 billion
D
88 million
*select an answer for all questions
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