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science vocab
section 1,2&3
Term | Definition |
---|---|
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. |