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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
carrying capacity
B
limiting factor
C
community
D
biome
3) Cold-blooded with scales
A
reptiles
B
mammals
C
amphibians
D
birds
4) Live births, fur, and give milk to their young
A
reptiles
B
mammals
C
amphibians
D
birds
5) Moist skin, cold-blooded, two-part life
A
reptiles
B
amphibians
C
mammals
D
birds
6) this biome is a cold dry treeless desert with permafrost
A
desert
B
grassland
C
tundra
D
taiga
7) Biome wiht miles and miles of wheat and corn fields, the breadbasket of America
A
desert
B
taiga
C
tundra
D
grassland
8) All of these are part of a grasshopper\'s niche EXCEPT
A
green camo
B
jumping ability
C
small size
D
pond where it lives
9) When organisms help each other the relatinship is
A
mutualism
B
niche
C
commensalism
D
parasitism
10) When one organism is helped and the other is not affected
A
commensalism
B
niche
C
mutualism
D
parasitism
*select an answer for all questions
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