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8th Ecology
Ecology: Ecological Relationships & Changes in the Environment
Term | Definition |
---|---|
Abiotic | Non living |
Biotic | Living or materials that have had life. |
Predator | An organism which hunts other organisms for food. |
Prey | An animal hunted or caught for food. |
Producer | Any plant, such as grass, flowers, or trees. |
Consumer | An organism that eats other organisms as food. |
Parasite | An organism, such as this tape worm, that steals nutrients from another organism. |
Host | Organism that supports a parasite. |
Organism | Any living thing, such as a plant or animal. |
Population | A group of the same type of organism that lives in the same area. |
Ecosystem | All of the biotic and abiotic parts of an area. |
Food Web | Several overlapping food chains. |
Food Chain | A model of how energy moves from producers to consumers. |
Natural Selection | Helpful traits are passed on to new generations. |
Camouflage | Blending in to the environment |
Adaptation | A change in an organism that helps it survive. |
Diapause | Insect form of hibernation |
Migration | The movement of animals due to a change in season. |
Pollution | Harmful substances mixing with the air, land, and/or water. |
Overfishing | Catching large numbers of fish so as to deplete their populations. |
Dead Zones | Low-oxygen areas in the world's oceans. |
Watershed | Area of land that drains water from a higher area of land to a lower level of land and into a stream. |
Groundwater | Water located the Earth’s surface |
Surface Water | Water that is located at the Earth's surface. |