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Life Science
| Term | Definition |
|---|---|
| Ecology | The study of relationships and the relation between the two in their environment |
| Ecosystem | all living plants, animals and nonliving things that share an environmet |
| Habitat | The place in which an organism lives and obtains the resources to survive |
| Biotic Factor | Is the living factor in an ecosystem for example: grass, plants, worms, bacteria, fungi |
| Abiotic Factor | Is the non-living factor in an ecosystem for example: water, sunlight, oxygen, temperature, soil |
| Population | A group of organisms of the same species living together in the same area |
| Community | The living part in an ecosystem |
| Niche | An organism's role in an ecosystem |
| Competition | The type of interaction in which organisms struggle with one another to obtain resources |
| Predation | An interaction in which one organism hunts an kills another for food |
| Predator | An organism that kills and eats another organism |
| Prey | An organism that is eaten by predators |
| Mutualism | A form of symbiosis in which both organisms benefit |
| Commensalism | A form of symbiosis in which one organism benefits and the other neither benefits nor is harmed |
| Parasitism | A form of symbiosis in which one organism benefits and the other is harmed |
| Producer | An organism that makes its own food (autotroph) |
| Consumer | An organism that cannot make its own food (heterotroph |
| Herbivore | An organism that eats only plants |
| Carnivore | An organism that eats only meat |
| Omnivore | An organism that eats plants and meat |
| Scavenger | A carnivore that feeds on the bodies of dead organisms |
| Decomposer | Organisms that break down wastes and dead organisms and return the raw materials to the environment |
| Food chain | A representation of a series of events in which food energy and matter are transferred from one organism to another |
| Food web | A diagram that consists of overlapping food chains |
| Energy pyramid | A diagram that shows the amount of energy that moves from one feeding level to another in a food web |
| Environment | All the the living and non-living things with which an organism may interact |
| Biome | A group of ecosystems with similar climates and organisms |
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