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Ecosystem
| Term | Definition |
|---|---|
| Biotic | A living thing, as an animal or plant, that influences or affects an ecosystem |
| Abiotic Factors | A nonliving condition or thing, such as climate or habitat, that influences or affects an ecosystem and the organisms in it |
| Ecosystem | A biological community of interacting organisms and their physical environment. |
| Habitat | The environment where an organism lives |
| Organism | An individual animal, plant, or single-celled life form. |
| Population | All the organisms of the same species that love in the same place at the same time |
| Community | Populations of different kinds of organisms that live in the same place at the same time |
| Biosphere | A global ecosystem made up of living organisms and the nonliving factors that provide them with energy and nutrients |
| Producer | An organism, as a plant, that is able to produce its food from inorganic substances |
| Consumer | An organism usually an animal that feeds on plants or other animals |
| Decomposer | An organism usually a bacterium or fungus that breaks down the cells of dead plants and animals into simpler substances |
| Herbivore | Animals that get their energy by only eating producers or plants |
| Carnivore | Animals that get their energy by only eating other consumers |
| Omnivore | Animals that get their energy by eating both producers parentheses {plants} and consumers {animals} |
| Scavenger | An animal that feeds on carrion, dead plant material, or refuse. |
| Predator | Any organism that exist by preying on other organisms |
| Prey | An animal hunted or seized for food especially by a carnivorous animal |
| Niche | A comfortable or suitable position in life or employment. |
| Bio me | A large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra. |
| Terrestrial Ecosystem | A land-based community of organisms |
| Deciduous Forest | A type of forest dominated by trees that lose their foliage at the end of the growing season. |
| Grassland | Generally open and continuous, fairly flat areas of grass. |
| Rain Forest | A hot, moist biome where it rains all year long. |
| Desert | Arid land with usually sparse vegetation |
| Aquatic ecosystem | A water-based ecosystem, which can be either saltwater (like oceans and seas) or freshwater (like lakes, rivers, and ponds). |
| Freshwater | Any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids |
| Pond | Class of shallow standing water in which light penetrates to the bottom sediments to potentially support rooted plant growth throughout the water body. |
| Lake | A large body of water surrounded by land. |
| River/Stream | A wide, natural stream of fresh water that flows into an ocean or other large body of water and is usually fed by smaller streams, called tributaries, that enter it along its course. |
| Saltwater ecosystem | Aquatic environments with high levels of dissolved salt, such as those found in or near the ocean |
| Ocean | A very large expanse of sea, in particular each of the main areas into which the sea is divided geographically. |
| Salt marsh | Coastal wetlands that are flooded and drained by salt water brought in by the tides |
| Estuary | The tidal mouth of a large river, where the tide meets the stream. |
| Primary consumer | The organisms that eat the producers |
| Secondary consumer | Organisms, primarily animals, which eat primary consumers |
| Tertiary consumer | The organisms that prey on the secondary consumers |
| Trophic levels | Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy. |
| Autotroph | An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. |
| Heretroph | An organism deriving its nutritional requirements from complex organic substances. |
| Food Chains | A hierarchical series of organisms each dependent on the next as a source of food. |
| Food Webs | A system of interlocking and interdependent food chains. |
| Energy Pyramid | A graphical representation of the energy found within the trophic levels of an ecosystem. |
| Competition | An interaction between organisms or species in which both require a resource that is in limited supply |
| Natural Resources | Materials from the Earth that are used to support life and meet people's needs |
| Brackish | (of water) slightly salty, as is the mixture of river water and seawater in estuaries. |
Created by:
Hatkins
Popular Ecology sets