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Ecology Test 1
| Term | Definition |
|---|---|
| Abiotic factors | The nonliving factors, including objects that were once living, but were made into something else |
| Biotic factors | The living parts of an ecosystem |
| Objective observation | A factual observation |
| Subjective observation | An opinionated observation |
| Environment | All the influence, including biotic and abiotic factors, which affect living things |
| Atmosphere | Layers of different gases that surround the earth |
| Organism | Any living thing |
| Species | A group of organisms that can mate with each other and produce offspring that can also mate and reproduce |
| Population | A count of all the members of one species living in a particular area. |
| Community | All the populations living together in one place |
| Ecosystem | The community of organisms that live in a particular area, along with their nonliving environment |
| Biosphere | The part of earth where organisms live |
| Carnivore | Consumers that only eat animals |
| Omnivore | Consumers that eat both plant and animal |
| Herbivore | Consumers that eat only plants |
| Insectivore | Consumers that eat only insects |
| Niche | An organisms role in it's habitat (Type of eater) |
| Inscisors | Front teeth used for biting and tearing |
| Canines | Teeth used to rip and tear meat, usually fang-like |
| Molars | Back teeth that are flat ans wide and used for grinding |
| Predator | The organism that kills another organism for food or nutrients |
| Prey | The organism that is killed for food or nutrients |
| Primary consumer | An organism that eats producers (Herbivore or Omnivore) |
| Secondary consumer | An organism that eats primary consumers (Carnivore, Insectivore, or Omnivore) |
| Producer | An organism that can make its own food through photosynthesis |
| Consumer | An organism that obtains energy by feeding on other organisms |
| Decomposer | Organisms that break down biotic wastes and dead organisms and return the raw materials back to the ecosystem |
| Habitat | An environment that provides the things a specific organism needs to live, grow, and reproduce |
| Scavenger | A carnivore that feeds on the bodies of dead organism called carrion |
| Carrying capacity | The largest amount of a population that can be supported by an area long term, can be determined by an average, or mean |
| Limiting factors | Conditions in an environment that restrict where an organism can live |
Created by:
divya2008
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