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16 Cards in this Set

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  • Back
Watershed
an area of land that is drained by a river or other body of water
homeostasis
balance of plants and animals in an enviroment
natural resources
materials found on earth that can be used by people
biomes
A major regional or global community, such as a grassland or desert, characterized by the forms of plant life and the climate.
Ecosystem
the system of a biological community and its non-living environment
conserve
to keep from loss and to protect
Habitat
the place where a plant or animal lives
renewable
to make new or as if new again
Food Web
complex interaction of food chains in a biological community
Decomposers
organisms that break down dead organic matter
recycle
to reclaim by using again as a new product
Estuary
bosy of water open to the sea in which fresh and saltwater mix
Erosion
the wearing away of land surface by wind or water
Ecology
the study of interrelationships of living things to one another and to their environment
food chain
the sequence in which energy as food is transferred from one group of organisms to another
Pollution
to make unclean or impure by introducing wastes