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Ecology Set #3
Test Description: Reveiw for 7th grade life science
Instructions: Answer all questions to get your test result.
1) If you get rid of the predators what may happen to the prey animals?
A
population stays the same
B
population of prey animals increase
C
population of prey animals decrease
D
prey animals may get over-populated
2) The number of animals that an ecosystem can support
A
community
B
carrying capacity
C
limiting factor
D
biome
3) Cold-blooded with scales
A
birds
B
mammals
C
reptiles
D
amphibians
4) Live births, fur, and give milk to their young
A
amphibians
B
birds
C
reptiles
D
mammals
5) Moist skin, cold-blooded, two-part life
A
reptiles
B
amphibians
C
birds
D
mammals
6) this biome is a cold dry treeless desert with permafrost
A
taiga
B
desert
C
grassland
D
tundra
7) Biome wiht miles and miles of wheat and corn fields, the breadbasket of America
A
desert
B
tundra
C
taiga
D
grassland
8) All of these are part of a grasshopper\'s niche EXCEPT
A
pond where it lives
B
jumping ability
C
green camo
D
small size
9) When organisms help each other the relatinship is
A
niche
B
mutualism
C
parasitism
D
commensalism
10) When one organism is helped and the other is not affected
A
parasitism
B
niche
C
mutualism
D
commensalism
*select an answer for all questions
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