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1
When two organisms attempt to utilize the same resource, the result is
A)parasitism.
B)competition.
C)commensalism.
D)mutualism.
2
A niche is described as
A)the space an organism occupies.
B)the food an organism consumes.
C)an organism's moisture requirements.
D)the temperature at which an organism can survive.
E)All of the above
3
Darwin found that plant and animal species living on oceanic islands were most similar to species found
A)at the same latitude anywhere else in the world.
B)at the same elevation anywhere else in the world.
C)anywhere in the world having a similar climate.
D)on the nearest mainland.
E)on neighboring islands.
4
Raw materials such as carbon and nitrogen
A)can only be used by plants in their raw forms.
B)move through the food chain in a similar manner to energy.
C)are so plentiful that recycling is not necessary.
D)are more plentiful in some biomes than in others.
E)cycle between organisms and the physical environment.
5
The study of how organisms live in their environment is called
A)geology.
B)ecology.
C)biology.
D)astronomy.





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