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Ecology
Mr Camp - Topic 6
| Term | Definition |
|---|---|
| abiotic | nonliving parts of the environment ex: soil, CO2, O2, temperature, water, sunlight |
| autotroph | organism that produces its own food, aka producer, the source of energy for all other living things on Earth |
| biodiversity | variety of species in an area |
| biosphere | all of the Earth's ecosystems, inhabited portions of the Earth, includes all of the land, air and water in which organisms survive |
| biotic | the living parts of the environment |
| carnivore | organism that survives be eating other animals(herbivores) |
| carrying capacity | the largest population of any single species that an area can support |
| community | a combination of different populations that live and interact in the same environment |
| competition | the struggle between organisms for the same limited resources in a articular area, occurs when niches overlap |
| consumer | an organism that obtains its energy from predators |
| decomposer | an organism, generally an bacterium(bacteria) or fungus, that consumes dead organisms and organic waste and returns the nutrients to the soil/water for producters(autotrophs) |
| ecology | the study of how living things interact with one another and with their environment |
| ecological niche | the specific role played by an existing community is replaced by another community |
| ecological succession | the process by which an existing community is replaced by another community |
| ecosystem | all the living and nonliving things that interact n a specific area; a subdivision of the environment |
| energy pyramid | a diagram used to show how food energy flows through the ecosystem |
| environment | every living and nonliving thing that surrounds an organism |
| food chain | a representation that identifies the specific feeding relationships among organisms |
| habitat | the place where an animal or plant lives |
| herbivore | organism that eats only plants, a.k.a. primary consumer, receives 10% of energy from the producers(autotrophs) |
| host | the organism in a parasitic relationship that provides a home and/or food for the parasite |
| limiting factors | any factor in the environment that limits the size of a population |
| parasite | an organism that survives by living and feeding on other organisms |
| population | all the individuals of a single species that live in a specific area |
| predator | an animal that hunts and kills other animals for food |
| prey | an animal that is hunted and killed by predators |
| producers | organisms that makes its own food from light energy and inorganic materials such as CO2 & H2O |
| scavenger | a carnivore that feeds on the remains of dead organisms |
Created by:
mrcamp
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