the study of the interactions of living organisms with one another and with their environment
an organisms relative position in a sequence of energy trnasfers in a food chain
organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph
an organism that obtains energy by feeding on other organisms
an animal that eats both plants and animals
organism that obtains energy by eating only plants
organism that breaks down the wastes or remains of other organisms
a relationship between two species in which both species benefit
animal that hunts and eats other animals
animal hunted or caught for food
an animal or plant that lives in or on a host (another animal or plant)
an animal or plant that nourishes and supports a parasite
(ecology) the status of an organism within its environment and community (affecting its survival as a species)
a system formed by the interaction of a community of organisms with their physical environment
(ecology) a community of organisms where there are several interrelated food chains
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