Introduction to Ecology and the Biosphere keylime12

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ecology

study of the interaction between organisms and their environment

biosphere

entire part of earth where living things exist

ecosystem

interaction of living (biotic) and non-living (abiotic) factors

community

group of populations in the same area

population

group of individuals of same species in same area

biotic factors

behaviors and interactions with other species

abiotic factors

nonliving, chemical and physical components

climate

temperature, precipitation, sunlight, and wind in an area

biome

a major type of ecosystem

photic zone

upper part of aquatic biome, sufficient light for photosynthesis

aphotic zone

below photic zone of an aquatic biome, not much light

benthic zone

bottom aquatic biome, made of sand and inorganic sediments

detritus

dead organic matter, source of food

thermoclines

narrow layers of abrupt temperature change in an aquatic biome

littoral zone

shallow, well-lit area close to shore in an aquatic biome

limnetic zone

aquatic biome, water too deep to support rooted plants

oligotrophic lakes

nutrient-poor and oxygen rich

eutrophic lakes

nutrient-rich and oxygen deficient

wetland

habitat inundaned by water at least some of the time

hydrophytes

plants dependent on water-rich soil

estuaries

transition area between river and sea

intertidal zone

part of marine biome periodically submerged by tides, rocky

pelagic zone

part or marine biome with vast realm of open water, very abundant

tropical rainforest

biome by equator, needs heat and rain, lots of plants/animals

savanna

biome of grassland with some tries, lots of grazers

desert

biome with hot, dry climate; CAM plants, leaves with just backbends

grassland

biome of rolling grassland, no trees, regular fires

chaparral

biome of high foliage area, different terrain, dependent on fires

deciduous forest

biome with tree forests that are temperate (loose leaves in winter)

taiga

biome of a pine-tree forest

tundra

biome that is frozen/half-frozen all year

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