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Words of da scince
words for da science
Term | Definition |
---|---|
Abiotic | An environmental factor that is not associated with the activities of living organisms. |
biogeochemical cycle | |
biotic | An environmental factor that is associated with or results from the activities of living organisms. |
carbon cycle | The movement of carbon from the nonliving environment into living things and back. |
commensalism | A relationship between two organisms in which one organism benefits and the other is unaffected. |
competition | Ecological relationship in which two or more organisms depend on the same limited resource. |
Consumer | An organism that eats other organisms or organic matter. |
decomposer | An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients. |
ecology | The study of the interactions of living organisms with one another and with their environment. |
ecosystem | A community of organisms and their abiotic, or nonliving, environment. |
energy pyramid | A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain; each row in the pyramid represents a trophic feeding level in an ecosystem, and the area of a row represents the energy store |
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. |
limiting factor | An environmental factor that prevents an organism or population from reaching its full potential of size or activity. |
mutualism | A relationship between two species in which both species benefit. |
parasite | |
parasitism | A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed. |
predation | |
predator | An organism that kills and eats all or part of another organism. |
prey | An organism that is killed and eaten by another organism. |
primary consumer | |
producer | An organism that can make its own food by using energy from its surroundings. |
secondary consumer | |
symbiosis | A relationship in which two different organisms live in close association with each other. |
tertiary consumer | |
trophic level | |
water cycle | The continuous movement of water between the atmosphere, the land, the oceans, and living things. |