click below
click below
Normal Size Small Size show me how
MVMS Ecology
| Question | Answer |
|---|---|
| Abiotic | The nonliving, physical features of the environment. (ex air, water, soil, sunlight, temperature and climate |
| Biosphere | The part of Earth that supports life |
| Biotic | The features of an environment that are alive or were once alive. |
| Carrying capacity | The largest number of individuals of one species that an ecosystem can support over time. |
| Commensalism | A symbiotic relationship in which one organism benefits and the other is not affected. |
| Community | All the populations of all species living in an ecosystem. |
| Consumer | Organism that cannot make its own energy-rich molecules, but obtains its energy by eating other organisms. |
| Decomposer | Organism that breaks down once living matter into simple, energy-rich substances. |
| Ecology | The study of the interactions that occur among organisms and their environments. |
| Ecosystem | All of the organisms living in an area, as well as the nonliving parts of that environment. |
| Energy pyramid | Shows the amount of energy available at each feeding level in an ecosystem. |
| Habitat | The place in which an organism lives. |
| Limiting factor | Anything that restricts the number of individuals in a population. |
| Mutualism | A symbiotic relationship in which both species benefit. |
| Niche | An organism’s role in its environment. (ex how it obtains food, shelter, avoids danger…) |
| Nitrogen fixation | Process in which some types of bacteria in the soil change nitrogen gas into a form of nitrogen that plants can use. |
| Parasitism | A symbiotic relationship in which one organism benefits but the other is harmed. |
| Population | All of the organisms of the same species that live in an area at the same time. |
| Producer | Organism that uses an outside energy source like the sun to make energy-rich molecules. |
| Symbiosis | Any close relationship between species. |