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All animals, all fungi, and even some plants are consumers.
A cow chewing grass, a person eating a steak, earthworms digesting manure, and mold growing on bread
all represent consumers in action. In each case the organism is consuming organic matter.
Consumer - an organism that obtains energy by feeding on organic matter.
Organic Materials - are carbon-based compounds produced by living things.
Ecosystem - a community of living things along with their natural environment.
Equilibrium - a stable situation in which opposing forces are balanced. If an ecosystem is in equilibrium, the population of each organism will not change much from year to year.
Food Chain - a sequence of organisms in which each organism feeds on the one below. In this food chain, rabbits eat grass, snakes eat rabbits, and hawks eat snakes.
Population - all organisms of a certain kind within a defined region
Predator - an animal that kills and eats other animals.
Prey - an animal that is killed and eaten by other animals.
Producer - an organism that converts simple inorganic matter (such as water and carbon dioxide) into organic matter (such as sugar and protein).
Most plants use the energy of the Sun to create organic matter from carbon dioxide and water. This process is called photosynthesis.
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