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Ecosystems and Change Chapter 4

Terms in this set (15)

population
all the organisms of one kind in an ecosystem
community
populations living and interacting with each other
competition
a contest among populations
adaptation
a characteristic that helps an organism survive
symbiosis
a relationship between different kinds of organisms
predator
an animal that eats another animal
prey
animals that are eaten by other animals
succession
a gradual change over time in an ecosystem
secondary succession
this helps rebuild damaged ecosystems, usually after a fire or volcanic eruption
extinction
the death of all the organisms of a species
pollution
any waste product that damages an ecosystem
acid rain
combination of water and acids together that fall to the earth
habitat
an area where an organism can find everything that they need to survive
conservation
saving an ecosystem by reducing, reusing and recycling
reclamation
cleaning and restoring a damaged ecosystem
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