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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
sustainable world- humans can exist indefinately with a high standard of living and health
sustainability
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