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Ecosystems
| Ecosystems | Definition |
|---|---|
| Habitat | An environment that provides the things a specific organism needs to live, grow, and reproduce. |
| Biotic factor | Parts of a habitat that are or were once alive. |
| Abiotic factor | The non living parts of an organisms habitat. (ex; such as water, oxygen, space, rocks, light) |
| Species | A certain type of organism. ex; a bird species or a giraffe.) |
| Population | All the members of one species living in a particular area. |
| Community | All the different populations that live together in an area. |
| Ecosystem | A community of organisms that lives in a particular area. (Along with non living) |
| Ecology | The study of how organisms interact with each other and with their environment. |
| Organism | A living thing. |
| Producer | An organism that makes its own food |
| Consumer | Obtains energy from feeding on other organisms |
| Scavenger | A carnivore that feeds on the bodies of dead organisms |
| Herbivore | Consumers that only eat plants |
| Omnivore | Consumers that eat both plants and animals |
| Decomposer | Break down biotic waste and dead organisms |
| Food chain | A series of events in which one organism eats another and obtains energy |
| Food web | Consists of many overlapping food chains in an ecosystem |
| Energy pyramid | Shows the amount of energy that moves from one feeding level to another in a food web |
| Photosynthesis | 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 do |
| Symbiosis | Any relationship which two species live closely together |
| Commensalism | A relationship in which one species benefits and the other species neither benefits nor harms |
| Mutualism | A relationship which both species benefits |
| Parasitism | A relationship which involves one organism living with, on, or inside another organism and harming it |
| Predatation | One organism is the predator and the other is the prey |
| Niche | How an organism obtains its food, the type of food it eats, and what organisms eat it. |
| Competition | The struggle between organisms to survive as they use the same limited resources |
| Population Density | The number of individuals in an area of specific size |
| Limiting factor | An environmental factor that causes a population to stop growing or decrease in size |
Created by:
user-2014999