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Environmental Sci

Dead Off The Tree

QuestionAnswer
ecology a branch of biology that deals with the relations of organisms to each other and their physical surroundings.
organism any unicellular or multicellular form exhibiting all of the characteristics of life, an individual.
habitat the environment in which a species normally lives
population a group of organisms of the same species living in the same area at the same time.
community a group of populations living and interacting with each other in an area.
ecosystem a community and its abiotic environment
biosphere life supporting portions of Earth composed of air, land, freshwater, and saltwater
biotic factor a group of living organisms in an environment
abiotic factor non- living organisms in an environment
dynamic equilibrium biotic and abiotic factors influence each other in an always changing balance
limiting factor environmental influences that limit the productivity of organisms, populations, or communities. limiting factors can be single elements or a group of related factors
trophic level describes the position of the organisms in relation to the order of nutrient and energy transfers in an ecosystem, organisms that eat the same type of food belong to the same trophic level.
food chain a model that shows how matter and energy move through an ecosystem
food web a model that shows all possible feeding relationships in an community at each trophic level.
Created by: Jsweet14
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