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RBMS 7th grade Eco
Ecology
| Question | Answer |
|---|---|
| Biotic | organisms & materials produced by organisms (living) |
| Abiotic | inorganic (nonliving) factors |
| Population | all the individuals of one species in an area |
| Community | all the individuals of all species in an area |
| Ecosystem | combination of all the biotic & abiotic factors in an area |
| Biome | Very large areas of Earth with similar climates & ecosystems |
| Climate | generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, |
| Decomposer | break down the remains of organisms, providing nutrients to the soil for plants. Usually bacteria and fungi. |
| Producer | Usually plants. Through PHOTOSYNTHESIS, convert sun’s energy into chemical energy (sugars) |
| Consumer | Usually animals. Get their energy by eating other organisms. |
| Adaptation | a form or structure modified to fit a changed environment |
| Niche | The function or position of an organism or a population within an ecological community. |
| Equilibrium | A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system |
| Photosynthesis | The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. |
| Organism | any 1 living thing. |
| Ecology | study of organisms and their interactions with & within their environment |
| Primary Succession | the development of plant and animal life in an area without topsoil |
| Secondary Succession | the progressive replacement of one community by another until a climax community is established. |
| Limiting Factors | are things that limit the growth of a population of animals |
| Food Pyramid | A graphic representation of the structure of a food chain, depicted as a pyramid having a broad base formed by producers and tapering to a point formed by end consumers. |
| Autotroph | any organism capable of self-nourishment ex) plants |
| Heterotroph | An organism that cannot manufacture its own food and instead obtains its food and energy by taking in plants or animals |
| Resources | A source of energy supply |
| Predator | An organism that hunts its food |
| Prey | An organism that is food |
| Parasite | An organism that benefits at the harm of its host |
| Host | A living animal or plant on which a parasite lives |
| Compost | A mixture that consists of largely of decayed organic matter and is used for fertilizer |
| Biodiversity | Different species of plants and animals in a biome |
| Microhabitat | Area inside an ecosystem that supports different organisms than the ones in the big ecosystem |
| Catastrophic Event | A event that changes the shape of the land and effects the organisms in the area |
| Carnivore | meat eater |
| Herbivore | Plant eater |
| Omnivore | plant and meat eater |
| Habitat | area in which an organism lives |
Created by:
sheri_gallemore
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