Summer School PHS Domain 2, Earth Science

32 terms by chfreeman

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exponential growth

population has a constant birth rate through time and is never limited by food or disease

j curve

graph for exponential growth


feeds on dead and decaying organisms.


capture solar energy and take in materials and make food which is then passed on to the consumers.


place where an organism or a community of organisms lives

biotic factors

all living things

abiotic factors

nonliving conditions

trophic level

each level of consumption in a food chain

food chain

producer, primary consumer, secondary consumer, tertiary consumer, decomposer


only eats plants


only eats animals


eats both animals and plants


feeds on dead animals

carrying capacity

number of individuals who can be supported in a given area within natural resource limits

S curve

birth rate = death rate

energy pyramids

used to present the flow of energy through an ecosystem.


animal that kills prey for food


close long-term interactions between different biological species


both species benefit


one species benefits, the other is unaffected


one species benefits, the other is harmed


animals of the same species that live in the same place


organisms of different species living in the same location


all of the biotic and abiotic components in an area


a biome that consists of little plant life,experiences little rainfall and has permafrost


a biome that is hot, dry, and experiences very little rainfall

deciduous forest

biome that is found in the southeast US-has four distinct seasons


biome that consists largely of evergreen trees, low temperatures and experiences moderate rainfall


biome that is the habitat for large numbers of herbivores

tropical rainforest

hot, humid biome that experiences large amounts of rainfall


smallest level of the ecological system of organization


largest level of the ecological system of organization

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