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Ecosystems
| Answer | |
|---|---|
| Density | The number of individuals in a area of specific size |
| Limiting factor | A environmental factor that causes a population to stop growing or to decrease in size |
| Carrying capacity | The largest population that an area can support |
| Producer | An organism that can make its own food |
| Consumer | Obtains energy by feeding on other organisms |
| Carnivore | Consumers that only eat animals |
| Organism | Living thing |
| Resourses | Something that needs too live,grow,and reproduce |
| Habitat | An environment that provides the things a specific organism needs to live,grow, and reproduce |
| Biotic factor | Something that’s alive |
| Abiotic factor | Nonliving parts of an organisms habitiat |
| Population | All members of one species living in a particular area |
| Niche | How an organism gets it’s food, the type of food the organism eats,and what other organisms eat it |
| 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 | Any relationship in which two species live closely together |
| Commensalism | A relationship in which one species benefits and the other species is nether helped or harmed |
| Mutualism | A relationship in which both species benefit |
| Parasitism | A relationship that involves one organism living with,on,or inside another organism and harming it |
| Ecosystems | The community of organisms that lives in a particular area |
| Ecology | The study of how organisms interact with their environment |
| Decomposer | Breaks down biotic wastes and dead organisms returning the raw materials to the ecosystem |
| Food chain | A series of events in which one organism eats another and obtains energy |
| Food web | A more realistic way to show how energy matter cycle through an ecosystem |
| Energy pyramid | Shows the amount of energy that moves from one feeding level to another. |
| Photosynthesis | The set of chemical reactions plants use to turn light water and nutrients into oxygen and energy, in the form of sugars |
| Chlorophyll | Absorbs life |
| Autotroph | An organism that makes its own food |
| Heterotroph | An organism that has to get its own food |
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