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science unit e vocab
science unit e vocvab
Term | Definition |
---|---|
Producer | An organism that makes its own food through photosynthesis |
Consumer | An organism that eats other living things for energy |
Ecology | The study of the relationship between living organisms and the physical environment |
Cellular Respiration | The process of breaking down sugar in a cell to release energy |
Decomposer | Organisms that eat dead organisms and waste, and recycle them back into the environment |
Food Web | A diagram showing all feeding relationships in an ecosystem |
Food Chain | A diagram showing one particular example of feeding relationships in an ecosystem |
Trophic Level | A feeding level in a food chain |
Organism | A living thing |
Prey | An animal that is hunted for food |
Predator | An animal that hunts and eats another animal |
Fluctuate | To rise and fall |
Population | A group of individuals of one species living in an area |
Energy Pyramid | A diagram that shows the available energy at each feeding level in an ecosystem |
Carrying Caapacity | The largest population an ecosystem can support over time |
Limiting Factor | An environmental factor that prevents a population from increasing |
Symbiosis | A close relationship between species where at least one organism benefits |
Mutualism | A symbiotic relationship in which both organisms benefit |
Commensalism | A symbiotic relationship in which one organism benefits and one is unaffected |
parasitism | A symbiotic relationship in which one organism benefits and the other is harmed |
Parasite | The organism in parasitism that benefits |
Host | The organism in parasitism that is harmed |