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organisms

Mrs seivers science unit 1

TermDefinition
0mnivore an organism that eats both plants and animals
foodweb a diagram made up of several over lapping food chains within an ecosystem
competition a struggle between organisms for resources such as food, living space, or mates
decomposer an organism that breaks down dead organisms into simpler substances and returns nutrients
parasitism a relationship between 2 organisms in which one benefits and the other is harmed
food chain a series of events in which food, energy and matter are transferred from one organism to another
homeostatis maintaining stable internal conditions such as temp
prey an organism that is hunted by another for food
biotic factor any living part of an ecosystem
abiotic factor any non living part of an ecosystem
predator an organism that hunt and kills other organisms for food
habitat the place where an organism lives that provides all of the needs
endangered species a group of organisms that may become extinct in the near future
heterotroph an organism that cannot makes its own food; an consumer
herbivore an organism thats eats only plants
estuary an area where fresh water mixes with salt water; serv as a breeding ground for many different species
Created by: saskiakeitel