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Ecology

TermDefinition
the realm of life on earth that extends from a few kilometers into the atmosphere to a few kilometers into the earth's crust Biosphere
all the abiotic factors and the community of species in a certain area ecosystem
changes in the plant and animal communities within a biome due to changes in elevation that produce differences in light, precipitation, and temperature vertical zonation
an autotrophic organism, that is, one that can produce its own food from light or chemical energy producers
a heterotrophic organism, that is, one that cannot produce its own food and must obtain energy by consuming other organisms consumer
an organism that breaks down dead organic material, recycling nutrients to be used by other organisms decomposer
illustrates a food chain ecological pyramid
on organism benefits and the other is harmed parasitism
organisms do not directly affect each other neutralism
a small part of an ecosystem where organisms prefer to live habitat
the way organisms live in their habitat, how they live including their effects and functions Ecological Niche
Refers to the feeding relationships among the various species in a community Tropic layers
a major tregitation type in terrestial or aquatic life zone, characterized by vegetation type in terrestrial biomes or the physical enviornment in aquatic biomes. biome
an ecological pyramid where only about 10% of the energy present in the trophic level is available to the exit level up energy pyramid
one organism is injured while the other is unaffected amensalism
both organisms benefit mutualism
Created by: redf