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20 Cards in this Set
- Front
- Back
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Ecology |
scientific study of the interactions between organisms and their environment |
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Biotic factors |
living component of biological communtiy |
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Abiotic factors |
nonliving component of an ecosystem, such as air, water, light, minerals or temperatures |
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Habitat |
place where an organism lives; a specific environment in which an organism lives |
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organism |
individual living thing, such as bacterium, fungus, protists, plant or animal |
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population |
group of interacting individuals belonging to one species and living in the same geographic area at a time |
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community |
all the organisms inhabiting and potentially interacting in a particular area. |
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ecosystem |
all the organisms in a given area, along with the nonliving factors with which they interact |
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Bioshphere |
global ecosystem; the entire portion of earth inhabited by life |
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acclimation |
physiological adjustment that occurs gradually, though still reversibly in response to an environmental change |
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biome |
major terrestrial or aquatic life zone, characterized by vegetation type in terrestrial biomes and the physical environment in aquatic biomes. |
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photic zone |
shallow water near shore or the upper layer of water away from the shore |
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aphotic zone |
region of an aquatic system beneath the photic zone, where levels are too low for photosynthesis to take place |
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benthic realm |
a seafloor or the bottom of freshwater lake, pond, river or stream |
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phytoplankton |
algae and photosynthetic bacteria that drift assively in aquatic enviroments |
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wetland |
ecosystem intermediate between an aquatic ecosystem and a terrestrial ecosystem |
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pelagic realm |
open-water region of an ocean |
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zooplankton |
aquatic environments, free-floating animals, including many micoscopic ones |
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Coral reef |
tropical marine biome characterized by hard skeletal structures secreted primarily by the resident chidarians. |
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intertidal zone |
shallow zone where the waters of an estuary or ocean meet land |
