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Science 7
7.10 ABC Ecosystems and Environments
Question | Answer |
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Ecosystem | a system comprising of all the biotic and abiotic factors in an area and all the interactions among them |
Biome | one of the world's major communities, classified according to the predominant vegetation and characterized by adaptation of organisms to that particular environment |
Habitat | a place where an organisms naturally lives and grows |
Microhabitat | a very small specialized habitat, such as space under a rock |
Population | a group of interacting individuals of the same species located in the same area |
Biodiversity | the number of different species of plants and animals in an area |
Climax Community | a relatively stable state of succession, or the end product of succession |
Succession (Ecological Succession) | a series of changes in the species composition of a community over time |
Sustainable | capable of maintaining the current community at a steady level without exhausting natural resources ot causing severe ecological damage |
Biotic Factors | a living or once living part of an organism's habitat |
Primary Succession | an ecological succession that begins in an area where no biotic community previously existed |
Secondary Succession | succession on a site where an existing community has been disrupted |
Abiotic Factors | the non-living parts of an ecosystem such as soil, climate, and rainfall |
Organism | an individual animal, plant, or single-celled life form |
Terrestrial Biome | large geographic land areas withsimilar climates and ecosystems |
Aquatic Biome | various aquatic systems that make up distinct communities; largest and most diverse biomes |