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Ecology
Chapter 1 Vocab
Question | Answer |
---|---|
biosphere | the part of earth that supports life |
ecosystem | consists of all the organisms living in an area and the abiotic factors |
ecology | the study of interactions that occur among organisms and their enviorments |
population | made up of all organisms of the same species that live in an area at the same time |
community | all the populations of all species living in an ecosystem |
habitat | the place in which an organism lives |
limmiting factor | any living or nonliving feature that restricts the number of individuals in a population |
carrying capacity | the largest number of idividuals of one species that an ecosystem can support |
competion | two or more organisms seek the same resources at the same time |
population denstity | the size of a population that occupies a specific area |
biotic potential | highest rate or reproduction under ideal conditions |
exponential growth | the larger a population becomes the faster it grows |
producers | organisms that use an outside energy sources to make energy rich molecules |
consumers | organisms that cannot make their own energy rich molecules and get it by eating other organisms |
food chain | a model that shows the feeding relationships among the organisms in an ecosystem |
symbiosis | any close relationship between species |
mutalism | a symbiotic relationship in which both species benefit |
commensalism | a symbiotic relationship in which one organism benefits and one is not affected |
parasitism | a symbiotic relatioinship in which one species benefits the one is harmed |
niche | an organisms role in the envirorment, including its habitat and food, and how it avoids danger, finds a mate, and cares for its young |
predator | consumer that captures and eats other consumers |
prey | the organism that is captured by the predator |