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