Term
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Definition
| - Nonliving chemical and physical factors in the environment. |
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Term
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Definition
| - All the organisms that are part of the environment |
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Term
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Definition
| - A group of individuals of the same species living in a particular geographic area. |
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Term
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Definition
| - All organisms of a species that inhabit a particular area; an assemblage of populations of many different species. |
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Term
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Definition
| - All the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical environment. |
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Definition
| - the entire portion of Earth inhabited by life; the sum of all the planets ecosystems. |
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Term
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Definition
| - The distribution of individuals within geographic population boundaries. |
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Term
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Definition
| - One of the world's major ecosystems, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment. |
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Term
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Definition
| - The part of the ocean beneath the photic zone, where light does not penetrate sufficiently for photosynthesis to occur. |
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Term
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Definition
| - A narrow stratum of rapid temperature change in the ocean and in many temperate-zone lakes. |
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Term
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Definition
| - The bottom surfaces of aquatic environments. |
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Definition
| - The communities of organisms living in the benthic zone of an aquatic biome. |
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Term
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Definition
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Definition
| The narrow top slice of the ocean, where light permeates sufficiently for photosynthesis to occur. |
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Term
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Definition
| Latitudes between 23.5 North and South |
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Term
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Definition
| - The shallow, well-lit waters of a lake close to shore. |
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Term
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Definition
| - The well-lit, open surface waters of a lake farther from shore. |
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Term
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Definition
| - The deep aphotic region of a lake. |
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Term
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Definition
| - A nutrient-poor, clear, deep lake with minimum phytoplankton. |
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Term
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Definition
| - Pertaining to a highly productive lake, having a high rate of biological productivity supported by a high rate of nutrient cycling. |
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Term
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Definition
| - Lakes with moderate amounts of nutrients and phytoplankton productivity intermediate to oligotrophic and eutrophic systems. |
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Term
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Definition
| - An ecosystem intermediate between an aquatic one and a terrestrial one. Wetland soil is saturated with water permanently or periodically. |
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Term
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Definition
| - The area where a freshwater stream or river merges with the ocean. |
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Term
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Definition
| - The region of water lying over deep areas beyond the continental shelf. |
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Term
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Definition
| - The area of the ocean past the continental shelf, with areas of open water often reaching to very great depths. |
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Term
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Definition
| - The bottom surfaces of aquatic environments. |
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Term
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Definition
| - Warm water, tropical, ecosystems dominated by the hard skeletal structures secreted primarily by the resident cnidarians. |
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Term
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Definition
| - The very deep benthic communities near the bottom of the ocean. This region is characterized by continuous cold, extremely high water pressure, low nutrients, and near or total absence of light. |
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Term
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Definition
| - A permanently frozen stratum below the arctic tundra. |
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Term
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Definition
| - What an animal does and how it does it. |
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Term
| Fixed Action Pattern (FAP) |
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Definition
| - A sequence of behavioral acts that is essentially unchangeable and usually carried to completion once initiated. |
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Term
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Definition
| - An external sensory stimulus that triggers a fixed action pattern. |
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Term
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Definition
| - A behavioral change resulting from experience. |
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Term
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Definition
| - A process of becoming more developed over time. |
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Term
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Definition
| - A very simple type of learning that involves a loss of responsiveness to stimuli that convey little or no information. |
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