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Ecosystem
| Question | Answer |
|---|---|
| Organism | Living thing |
| Resources | Food,water,shelter, and other things it needs to live, grow, and reproduce. |
| Habitat | Environment that provides the things a specific organism needs to live, grow, and reproduce. |
| Biotic factors | The parts of a habitat that are or were once alive and that interact with an organism |
| Species | Is a group of organisms that can mate with each other and produce offspring. |
| Population | All the members of one species living in a particular area are referred to as a population. |
| Community | All the different populations that live together in a area. |
| Ecosystem | The community of organisms that live in a particular area along with the non living environment. |
| Abiotic factors | They are the non living parts of an organisms habitat |
| Ecology | Is the study of organisms. |
| Population density | The number of individuals in an area of a specific size |
| Limiting factor | An environmental factor that causes a population to stop growing or to decrease in size as a disease infecting organisms. |
| Carrying capacity | The largest population that an area can support |
| Producer | An organism that makes it own food. |
| Consumer | Obtains energy by feeding on other organisms. |
| Decomposer | Break down biotic wastes and dead organisms. |
| Food chain | Is a series of events in which one organism eats another and obtains energy and nutrients. |
| Food web | Consists of many overlapping food chains |
| Energy pyramid | Shows the amount of energy that moves from one feeding level to another. |
| Photosynthesis | Is the set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy. |
| Chlorophyll | Absorbs light ,much like cells in solar panels. |
| Autotroph | An organism that makes its own food |
| Heterotroph | An organism that has to get its food from a source and is unable to make its own food. |
| Niche | How an organism obtains its food. |
| Competition | The struggle between organisms to survive as they use the same limited resources. |
| Predation | An interaction in which one organism kills another for food or nutrients. |
| Symbiosis | Is a relationship in which two species live closely together. |
| Commensalism | Is a relationship in which one species benefits and the other species is neither helped nor harmed. |
| Mutualism | Which is a relationship in which both species benefit. |
| Parasitism | Is a relationship that involves one organism living with ,on, or inside another organism and harming it. |
| Carnivore | An organism that eats other organisms for food. |
| Herbivore | An organism that only eats plants for food. |