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Energy Flow

TermDefinition
Trophic level Feeding level in a food chain, food web, or energy pyramid
producer an organism that makes its own food; bottom of food chain/web/pyramid
consumer an organism that has to get its food from another organism because it cannot make its own
herbivore an animal that eats only plants
carnivore an animal that eats only other animals
omnivore an animal that eats both plants and animals
food chain shows one path of energy through an ecosystem
food web shows many paths of energy flowing through an ecosystem; overlapping food chains; more realistic than a food chain
decomposer an organism that breaks down dead organisms and releases the nutrients back to the ecosystem
What does the arrow in a food chain or food web represent? Energy
What is the primary source of energy for life on earth? the sun
Succession the constant replacement of one community by another
Primary succession the type of ecological succession that takes place on new lands--lands where life has not yet existed.
Pioneer species the species that first lives in the habitat
Secondary Succession the type of ecological succession that occurs in areas where life has already existed and the soil is full of nutrients
Biome A large area with similar climate and similar populations of organisms
Climate the typical weather in an area over a long period of time (includes precipitation and average temperature)
Created by: ttancin