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Ecosystems
Vocabulary
Term | Definition |
---|---|
Ecology | the study of living environments |
Commensalism | two organisms interact- only one benefits |
Tertiary Consumers | Third level or top consumers |
Population | group of same species living together |
Community | group of multiple species living together |
Adaptation | organism changes in order to survive in environment |
predator | hunter |
prey | hunted for food |
secondary consumer | carnivores eats other consumers |
sun | source of energy for all living things |
ecosystem | all of the biotic and abiotic factors interacting in an envoronment |
producers | make own food |
omnivore | eats plants and animals |
carrying capacity | the amount of organisms that an environment can support |
decomposers | organisms that break down dead organisms back down into nutrients and soil |
parasite | an organism that gets it's nourishment by stealing it from a host organism. |
habitat | area where an animal lives that provides it with food, shelter and others of its kind |
biosphere | the parts of the hydrosphere, the earth's surface and the atmosphere containing living things |
biotic | living |
abiotic | non living |
10% rule | an organism only passes on about 10% of its energy to it's consumer |
autotroph | makes own food |
heterotroph | cannot make own food |
binomial nomenclature | 2 name naming system |
cell | basic unit of life |
tissue | made up of cells |
organ | made up of tissues |
organ system | made up of organs |
limiting factors | water, food, shelter, available for use by organisms |
niche | the special job or habits of specific organisms in an environment |
organism | made up of organ systems |
primary consumer | herbivores eat producers |