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ECOLOGY TERMS

Across
Part of earth where life exists; includes land, water, air
Total amount of living tissue within a trophic level
Process by which autotrophs use chemical energy to produce carbohydrates
Animal that consumes the carcasses of other animals
Type of cycle by which elements and other forms of matter pass from one organism to another and from one location to another
An illustration of the relative amounts of energy or matter present in each trophic level of a food chain
Organism that captures energy from sunlight or chemicals and converts it to energy usable by other organisms
Organism that relies on other organisms for its energy and food supply
Organism that obtains energy by eating only plants
Organism that obtains energy by eating plants and animals
Down
Another name for autotroph
Another name for heterotroph
Each step in a food chain or food web
Physical or nonliving part of the environment
Any living part of the environment
Organism that obtains energy by eating animals
Organism that feeds on the remains of dead plants or animals
Process by which autotrophs capture light energy and use it to produce carbohydrates
Organism that breaks down and obtains energy from dead organic matter
Chemical substance that an organism needs to sustain life