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Science Vocabulary

Section 1 - 3

TermDefinition
ecology the study of the interactions of living organisms with one another and with their environment
biotic describes living factors in the environment
abiotic describes the nonliving part of the environment, including water, rocks, light, and temperature
population a group of organisms of the same species that live in a specific geographical area
community all of the populations of species that live in the same habitat and interact with each other
ecosystem a community of organisms and their abiotic, or nonliving, environment
biosphere the part of Earth where life exists; includes all of the living organisms on Earth
herbivore an organism that eats only plants
carnivore an organism that eats animals
omnivore an organism that eats both plants and animals
food chain the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms
food web a diagram that shows the feeding relationships between organisms in an ecosystem
energy pyramid a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain
carrying capacity the largest population that an environment can support at any given time
prey an organism that is killed and eaten by another organism
predator an organism that kills and eats all or part of another organism
symbiosis a relationship in which two different organisms live in close association with each other
mutualism a relationship between two species in which both species benefit
Created by: RichardNy
 

 



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