Living Environment
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Created by:
jocallaghan on December 8, 2009
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30 terms
Terms | Definitions |
|---|---|
 Abiotic | non-living |
| Autotroph | organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer |
| Biodiversity | the diversity of plant and animal life in a particular habitat (or in the world as a whole) |
| Biosphere | part of Earth in which life exists including land, water, and air or atmosphere |
| Biotic | the living organisms in an ecosystem |
| Carnivore | a flesh-eating animal |
| Carrying Capacity | largest number of individuals of a population that a environment can support |
| Community | (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other |
| Competition | the struggle between organisms to survive in a habitat with limited resources |
| Consumer | organism that relies on other organisms for its energy and food supply; also called a heterotroph |
| Decomposer | organism that breaks down and obtains energy from dead organic matter |
| Ecology | scientific study of interactions among organisms and between organisms and their environment |
| Ecological Niche | (ecology) the status of an organism within its environment and community (affecting its survival as a species) |
| Ecological Succession | (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established |
| Ecosystem | living and nonliving things in an environment, together with their interactions |
| Energy Pyramid | a diagram that shows the amount of energy that moves from one feeding level to another in a food web |
| Environment | all of the surrounding things, conditions, and influences affecting the growth or development of living things. |
| Food Chain | a series of events in which one organism eats another and obtains energy |
| Food Web | a diagram that shows the feeding relationships between organisms in an ecosystem |
| Habitat | the type of environment in which an organism or group normally lives or occurs |
| Herbivore | organism that obtains energy by eating only plants |
| Heterotroph | organism that obtains energy from the foods it consumes; also called a consumer |
| Host | an animal or plant that nourishes and supports a parasite |
| Limiting Factors | Conditions in the environment that put limits on where an organism can live, any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms. |
| Parasite | an animal or plant that lives in or on a host (another animal or plant) |
| Population | a group of organisms of the same species populating a given area |
| Predator | animal that hunts and eats other animals |
| Prey | animal hunted or caught for food |
| Producer | organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph |
| Scavenger | animal that eats only dead organisms |
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