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Ecosystem
School
| Question | Answer |
|---|---|
| Organism | Living things |
| Habitat | A specific organism needs to live grow and reproduce |
| Abiotic factor | Non living parts of an organism habitat |
| Biotic factor | A living or once living part of an organism habitat |
| Species | A group of the same animals that live and reproduce together |
| Population | All the members of one species living in the same area |
| Community | All the different populations that live together in a certain area |
| Ecosystem | The community of organisms that live ina particular area along with their no living environment |
| Ecology | The community of organisms interact with each other and their environment |
| Population density | The number of individuals in an area of a specific size |
| Limiting factors | An environmental factor that causes a population to stop growing or to decrease in size such as a fatal disease infecting organisms is a limiting factor |
| Carrying capacity | The largest population that an area can support is called a carrying capacity |
| Producer | An organism that makes it own food |
| Consumer | An organism that obtains energy by feeding on other organisms |
| Decomposer | An organism that gets energy by breaking down biotic wastes and dead organisms |
| Food chain | A series of events in an ecosystem in which an organism transfers energy by eating and being eaten |
| Food web | The pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem |
| Energy pyramid | A diagram that shows the amount of energy transfer that moves from one feeding level to another food web |
| Photosynthesis | The process by which plants and other autotrophs capture and use light energy to make carbon dioxide and water |
| Chlorophyll | A green photosynthesis pigment found in the chloroplast of plants algae and some bacteria |
| Autotroph | An organism that is able to capture energy from the sunlight or chemicals and it to produce its own food |
| Heterotroph | An organism that cannot make its own food and gets food by consuming other living things |
| Niche | The role of an organism in its habitat |
| Competition | The struggle between organisms |
| 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 is not harmed none helped |
| 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 |
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