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| Ecology concerning how an organism's structure, physiology and behavior meet the challenges posed by the environment. |
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| Ecology concentrating on factors that affect how many individuals of a particular species live in an area. |
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| Ecology with deals with the array of interacting species in a community. |
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| Ecology which focuses on energy flow and chemical cycling among biotic and abiotic factors in an ecosystem. |
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| Ecology which deals with an array of ecosystems and how they are arranged in a geographic region. |
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| "An ounce of prevention is worth a pound of cure." |
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| The movement of individuals away from centers of high population density, contributing to the Earth's biogeography. |
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| Climate patterns on the global, regional or local levels. |
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| Minute climate patterns such as those encountered by the community of organisms under a fallen log. |
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| A semiannual mixing of the water in a lake which brings oxygenated water from the bottom to the surface in both spring and autumn. |
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| The area of an aquatic biome in which light penetrates. |
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| The area of an aquatic biome in which light doesn't penetrate. |
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| The area of an aquatic biome which is made up of sand and organic and inorganic sediments. |
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| The community of organisms occupying an aquatic biome's benthic zone. |
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| A stratum of temperature in the ocean and most lakes. |
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| Lakes which are nutrient poor but oxygen rich. |
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| Lakes which are nutrient rich but oxygen poor. |
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| The shallow, well-lighted waters close to shore. |
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| The area in which water is too deep to support rooted aquatic plants and is thus inhabited by phytoplankton and cyanobacteria. |
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| An area covered with water for a long enough period to support aquatic plants. |
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| A transition area between river and sea. |
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| An aquatic biome which is periodically submerged and exposed by the tides twice daily. |
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| A vast realm of open water which is constantly mixed by wind-driven oceanic currents. |
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| A zone which consists of the seafloor below the surface waters of the coastal zone and the pelagic zone. |
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| A zone which consists of coastal waters. |
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| A zone which consists of the very deep benthic areas. |
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| A plot of the temperature and precipitation of a particular region. |
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| The area of intergradation between biomes on a climograph. |
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| Tropical rain forests, deserts, savannas, chapparral (dense shrubby area), temperate grasslands, coniferous forests, temperate broadleaf forests, tundra, |
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| Chemical substances emitted by animals as a form of communication. |
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| The ability of many animals to associate one feature of the environment with another. |
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| A type of associative learning in which an arbitrary stimulus is associated with a reward or punishment. |
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| A type of associative learning in which an animal learns to associate one of its own behaviors with a reward or punishment. |
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| A system in which one male mates with many females; A system in which one female mates with many males. |
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| An attempt to model human economic behavior which evaluates alternative strategies in situations where the outcome depends not only on each individual's strategy but also on the strategies of others. |
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| The study of the vital statistics of populations and how they change over time. |
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| A group of individuals of the same age who can be studied to create a life table. |
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| Big Bang Reproduction, or "Semelparity" |
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Definition
| A method of reproduction in which many offspring are produced at once, killing the parent. |
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| Repeated Reproduction, or "Iteroparity" |
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| A method of reproduction in which several offspring are produced periodically. |
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| Selection for life history traits which are sensitive to population density. |
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| Density independent selection. |
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| Strong competition between two species leading to the elimination of one or the other. |
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| If the habitat is an "address", this is an organism's "profession". |
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| The differentiation of niches that enables similar species to coexist in a community. |
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| Mimicry in which a harmless species mimics a harmful or unpalatable one. |
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| Mimicry in which two or more unpalatable species resemble each other. |
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| The feeding structure of a community. |
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| Equal to Gross Primary Production minus the energy used by primary producers for respiration. |
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| Nutrient limitation in water caused by sewage runoff leading to cyanobacterial bloom and the death of fish species. |
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| Nutrient limitation in water caused by sewage runoff leading to cyanobacterial bloom and the death of fish species. |
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| The fraction of energy stored in food that is not used for respiration. |
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| The percentage of production transferred from one trophic level to the next. |
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| The use of organisms to add essential materials to a degraded ecosystem. |
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