Ecology Set #3 Question Preview (ID: 11594)


Reveiw For 7th Grade Life Science. TEACHERS: click here for quick copy question ID numbers.

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

The number of animals that an ecosystem can support
a) carrying capacity
b) biome
c) community
d) limiting factor

Cold-blooded with scales
a) mammals
b) birds
c) reptiles
d) amphibians

Live births, fur, and give milk to their young
a) mammals
b) birds
c) reptiles
d) amphibians

Moist skin, cold-blooded, two-part life
a) mammals
b) birds
c) reptiles
d) amphibians

this biome is a cold dry treeless desert with permafrost
a) taiga
b) grassland
c) desert
d) tundra

Biome wiht miles and miles of wheat and corn fields, the breadbasket of America
a) taiga
b) desert
c) grassland
d) tundra

All of these are part of a grasshopper\'s niche EXCEPT
a) green camo
b) pond where it lives
c) small size
d) jumping ability

When organisms help each other the relatinship is
a) mutualism
b) niche
c) parasitism
d) commensalism

When one organism is helped and the other is not affected
a) mutualism
b) niche
c) parasitism
d) commensalism

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