environmental midterm
Terms
undefined, object
copy deck
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place where people gather, common grazing land
who has the rights to graze there? - tragedy of the commons
- sustainable world- humans can exist indefinately with a high standard of living and health
- sustainability
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observing
hypothosis-prediction
experimenting- test hypothosis
interpreting data
graphs and sharing - basics of scientific method
- a group of individuals of the same species living in a particular place
- population
- a group of interacting populations of different species
- community
- organisms that gets its energy by eating other organisms; heterotrophs
- consumers
- organisms that makes its own food; autotrophs
- producers
- consumer that eats both plants and animals
- omnivore
- consumers that eat only producers
- herbivore
- consumer that eats only other consumers
- carnivore
- consumer that gets its food by breaking down dead organisms, causing them to rot
- decomposer
- a relationship between two species in which both benefit
- mutualism
- relationship between two species in which one species benefits and the other is neither harmed nor helped
- commensalism
- the relationship between a parasite and its host
- parasitism
- the layer around the earth in which life occurs naturally, extending to about 8km above the earth to the deepest part of the ocean, which is about 8km deep
- biosphere
- a group of organisms that are able to reproduce together and that resemble each other in appearance, behavior, and internal structure
- species
- the living parts of an ecosystem
- biotic
- nonliving parts of an ecosystem
- abiotic