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16 terms

Unit 10 Vertebrates Vocabulary 3

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