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science vocab

section 1,2&3

TermDefinition
ecology the study of the interactions of living organisms with one another and with their environment.
community all the populations of species that live in the same habitat and interact with each other.
biotic describes living factors in the environment.
abiotic describes the nonliving part of the environment, including water, rocks, light, and temperature.
ecosystem a community of organisms and their biotic environment.
biosphere the part of earth where life exists.
population a group of organisms of the same species that live in the same habitat and interact with each other.
herbivore an organism that eats only plants
carnivore an organism that eats only 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 ecosystems loss of energy, which results as energy passes through the ecosystems food chain.
Created by: jpalinkas
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