51. Community Ecology

Community Structure

객관식
Why does succession of communities occur?
2366
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객관식
What are two key factors in species richness equatorial–polar gradients?
2044
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객관식
Removal of a ________________ from a community affects community structure significantly.
128
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객관식
A field contains 950 kg of plant material. How many kilograms of tertiary consumers could be supported?
2113
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객관식
The potential evapotranspiration is determined by __________.
1738
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객관식
Which of the following statements correctly describes conditions on a glacier moraine during the reign of pioneer species?
1627
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객관식
What happens to the number of species in a community as the area of that community increases?
1997
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객관식
Match each of the following species to their role in their respective communities:

Beaver: builds dams in rivers/lakes, significantly altering habitats in the area.
Ochre Sea Star: preys on mussels, preventing them from overpopulating intertidal zones & dominating the habitat.
Red Mangrove Tree: stabilizes shorelines by reducing erosion, provides nurseries for fish in coastal regions.
1339
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3
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객관식
Which of the following is the definition of a pathogen?
1884
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객관식
When equilibrium is reached on an island, __________.
1906
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객관식
Which of the following could be characterized as top-down control in a community?
1287
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1
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객관식
Consider an ocean community where corals are the most abundant species, where they "build" new habitats using calcium carbonate deposits, creating a coral reef. Which of the following terms can be applied to corals in this community?
1496
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1
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객관식
What is the current view of biological communities?
2486
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1
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객관식
What is a zoonotic pathogen?
1675
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객관식
If a forest contains 47,000 kg of plant material, how many kg of tertiary consumers can it support?
2257
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2
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