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33 Cards in this Set
- Front
- Back
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aphotic zone |
photosynthesis can not occur |
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habitat |
the place an organism lives |
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plankton |
general term for phytoplankton and zooplankton |
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benthos |
organisms in the benthic zone |
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herbivory |
when an animal feeds on plants |
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predation |
the predator feeds on the prey |
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canopy |
leafy covering |
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humus |
material formed from decaying leaves |
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primary succession |
succession that begins in an area |
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climate |
average conditions over long periods |
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keystone species |
changes in the population of a single species |
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resource |
any necessity of life |
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commensalism |
a relationship in which one organism benefits and the other is not affected |
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microclimate |
environment conditions over small distances |
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secondary succession |
a disturbance affects a community but does not destroy it |
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competitive exclusion principle |
states no two species can occupy the same niche |
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mutualism |
both species benefit |
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symbiosis |
living together |
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coniferous |
produce seed-bearing cones |
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niche |
how an organism interacts with other species |
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taiga |
boreal forests |
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decidous |
a plant that sheds its leaves |
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parasitism |
one organism lives in another |
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tolerance |
the ability to survive and reproduce |
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ecological succession |
a series of predictable changes that occur in a community |
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permafrost |
layer of permanently frozen soil |
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understory |
short trees and vines |
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estuary |
special kind of wetland |
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photic zone |
the sunlit region in the ocean |
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weather |
day-to-day conditions |
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greenhouse effect |
heat trapped in gases on Earth's surface |
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pioneer species |
first species to colonize barren species |
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wetland |
ecosystem where water covers the soil |
