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15 Cards in this Set

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biomes
classified into main areas, and biomes and aquatic biomes.
estuaries
found at boundary between fresh and salt water. mixture of salt and freshwater. its shallow so photosynthesis can occur, suitable for aquatic plants which supports types of fish, shrimp, invertebrates. some use it as a nesting ground and several bird species reside here
Abiotic
non-living factors, physical features
deserts
less than 25 cm of rain a year. almost no growth, sagebrush and cacti survive. cold deserts are found in mountains and plateaus.
freshwater
rivers, streams, lakes, drinking water. beginning to be used as dumping grounds.
Marine
Vast ocean, split up into five generic zones:
-photic (shallow, allows photosynthesis)
-intertidal (most difficult for organisms to live)
-nertic-extends from low tide to edge of ocean
-sea-close to shore, has many nutrients
-deep sea-high pressure, low temps & total darkness
Biosphere
Part of the Earth in which life exists, they are organized into ecosystems.
biotic
community of living organisms
population
collection of individuals of the same species in a given area whose members can breed with one another
climax community
relatively stable collection of organisms that result from ecological succession
Tundra
covered in permafrost meaning premanently frozen subsoil. in a cycle of thawing and freezing
taiga
a coniferious forest (home to redwoods), cold winters and mild summers
temperate deciduous forests
changing seasons, trees shed their leaves (ex. oak, maple, birch)
grasslands
covered in grasses and small leafy plants, includes prairies and plains, savannas
tropical rainforest
warm temperature. with rainfall of 200-400 meters per year. rich and varied organisms. many of which produce chemicals that combat disease. biome that is dissapearing the quickest.