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Enviro Midterm Review
Test Description: Practice for Midterm 2011
Instructions: Answer all questions to get your test result.
1) What is most likely to happen if the niches of two organisms overlap?
A
The organisms may have to compete.
B
One organism will migrate to a new habitat.
C
Both organisms will disappear simultaneously.
D
The organisms will form a parasitic relationship.
2) In a freshwater pond community, a Carp eats decaying material from around the bases of underwater plant, while a snail scrapes algae from the leaves and stems of the same plants. T
A
the same habitat, but different niches.
B
the same niche, but different habitats.
C
different habitats and niches.
D
the same habitat and the same niche.
3) Name the process in which animals develop adaptations that result in changes that increase its chances of survival in a changing habitat.
A
asexual reproduction
B
natural selection
C
genetic engineering
D
selective breeding
4) Lichens are most likely to grow in the following type of area:
A
an open farm field.
B
after a volcano erupts.
C
a grassy area cleared by a wild fire.
D
an old growth deciduous forest.
5) In ecology, succession refers to:
A
survival of the fittest.
B
one species gradually being replaced by another
C
natural selection
D
balances of power
6) A type of succession that occurs on abandoned farmland is called
A
pioneer species
B
secondary succession
C
primary succession
D
climax community
7) 22. New soil is formed on the forest floor by the action of _________________ on leaf litter.
A
herbivores
B
scavengers
C
omnivores
D
decomposers
8) Darwin’s idea of natural selection focused on the idea that a population would
A
develop based on human intervention through artificial selection.
B
be able to migrate due to predator/prey relationships.
C
pass along traits that increased their ability to survive in their environment.
D
need competition to adapt and survive in its habitat.
9) How are the final products of photosynthesis related to cellular respiration?
A
They are the starting materials for cellular respiration.
B
They convert chemical energy into light energy.
C
They are identical.
D
They are also the final products for cellular respiration.
10) The energy of the sun is transformed into chemical energy in the form of carbohydrates by which process?
A
photosynthesis
B
transpiration
C
cellular respiration
D
anaerobic respiration
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