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Eco systems
| Term | Definition |
|---|---|
| biotic | relating to or resulting from living things, especially in their ecological relations. |
| abiotic | physical rather than biological; not derived from living organisms. "abiotic chemical reactions" |
| habitat | the place or environment where a plant or animal naturally or normally lives and grows |
| organism | A living thing, such as an animal, a plant, a bacterium, or a fungus. |
| population | the whole number of people or inhabitants in a country or region |
| community | A community is made up of populations of different species or organisms |
| biosphere | the region on, above, and below the Earth's surface where life exists |
| producer | an organism that creates its own food or energy |
| consumer | an organism that cannot produce its own food and must eat other plants and/or animals to get energy |
| decomposer | An organism, often a bacterium, fungus, or invertebrate that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem |
| herbivore | an animal that feeds on plants. |
| carnivore | an animal that feeds on flesh. |
| omnivore | an animal or person that eats food of both plant and animal origin. |
| scavenger | an animal that feeds on carrion, dead plant material, or refuse. |
| praetor | an animal that hunts for it's prey like a tiger and a line |
| prey | an animal that is hunted or killed by another animal for food |
| niche | the role an organism plays in a community |
| Biome | an area classified according to the species that live in that location |
| Terrestrial Ecosystem | a land-based community of organisms and the interactions of biotic and abiotic components in a given area |
| Deciduous Forest | characterized by trees that lose their leaves at the end of each growing season |
| Rainforest | an area of tall, mostly evergreen trees and a high amount of rainfall |
| Aquatic ecosystem | an ecosystem found in and around a body of water |
| freshwater | water containing less than 1,000 milligrams per liter of dissolved solids, most often salt |
| Pond | small and shallow waterbodies with a maximum surface area of 5 ha, a maximum depth of 5 m, and < 30% coverage of emergent vegetation |
| Lake | a large body of water surrounded by land. |
| River/Stream | a body of water that flows on Earth's surface |
| Saltwater ecosystem | aquatic environments with high levels of dissolved salt |
| Ocean | a continuous body of salt water that is contained in an enormous basin on Earth's surface |
| Saltmarsh | an area of coastal grassland that is regularly flooded by seawater. |
| Estuary | a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea |
| Food Chain | the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism |
| Primary consumer | an organism that eats plants and provides the energy needed for other types of consumers to use |
| Secondary consumer | those that predate upon primary consumers |
| Tertiary consumer | animals that consume other animals to obtain nutrition from them |
| Trophic levels | the position of an organism in the food chain |
| Autotroph | an organism that can produce its own food using light, water, carbon dioxide, or other chemicals |
| desert | an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year |
| food web | all of the food chains in an ecosystem |
| energy pyramid | a graphical representation of the energy found within the trophic levels of an ecosystem |
| competition | the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource |
| natural resources | materials from the Earth that are used to support life and meet people's needs |
| population | Members of the same species that live and interbreed with one another in the same habitat |
| community | a group of species that are commonly found together |
| habitat | the area and resources used by a particular species (the habitat of a species) or an assemblage of animals and plants together with their abiotic environment |
| estuary | a partially enclosed, coastal water body where freshwater from rivers and streams mixes with salt water from the ocean |
| brackish | water that is more saline than freshwater but less saline than true marine environments |
Created by:
Mreilly1
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