Ecology Vocab:
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Created by:
grassoj1 on September 15, 2009
Subjects:
Description:
ecology vocabulary for populations and food webs.
Classes:
Crater APES 2013, Ulster BOCES Earth Science, Ulster BOCES Living environment, leaving cert biology, grasso_3rdAcademic, grasso_4thAcademic (see more)
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41 terms
Terms | Definitions |
|---|---|
 Food Web | A diagram showing all of the connected food chains in an ecosystem |
| Biodiversity | Large variety of organisms |
| Decomposer | An organism that breaks down dead organisms |
| Energy Pyramid | A diagram that shows how energy decreases as it travels through a food chain |
| Food Chain | A diagram showing how energy passes from one organism to the next in an ecosystem |
| Omnivore | An organism that eats both plants and animals |
| Carnivore | An organism that eats only other animals |
| Herbivore | An organism that eats only other plants |
| Competition | When two organisms fight over the same resource |
| Community | All of the different populations of organisms in an area. |
| Biosphere | All of the living space on earth. |
| Ecosystem | Living and nonliving things interacting in an area |
| Population | All of the members of the same species in an area. |
| Coevolution | When two organisms push each other to evolve. |
| Prey | The organism that is hunted |
| Predator | The organism that hunts others for food. |
| Adaptation | A trait that helps an organism survive. |
| Limiting Factor | The scarcest resource that limits a populations size. |
| Carrying Capacity | The largest population size an ecosystem can hold. |
| Parasitism | A type of relationship where one organism benefits while harming the other organism |
| Commensalism | A type of symbiosis where one species benefits and the other is not harmed. |
| Mutualism | A type of symbiosis where two organisms help each other. |
| Symbiosis | A relationship where to species interact and one is benefitted. |
| Biotic | Living part of the environment |
| Abiotic | Non living part of the environment |
| Ecology | The study of how living things interact with nature. |
| Nutrients | Chemicals that living things can use to live and grow. |
| Autotroph | Any organism able to make its own food (aka Producer) |
| Heterotroph | An organism that has to eat its food (aka consumer) |
| Energy | Used for organisms to do everything it needs to do to live |
| Glucose | A type of sugar used by plants to store energy from the sun. |
| Tertiary Consumer | Third level consumer. Often top of the food chain |
| Primary Consumer | The 1st level consumer. Eats producers |
| Secondary Consumer | Eats 1st level consumers. Often is a predator and a prey |
| Quaternary Consumer | 4th level consumers. Food chains don't always go this far |
| Scavenger | An animal that eats other dead animals. |
| organism | one individual living thing |
| Warning colors | Bright Colors to warn predators they are poisonous |
| Defensive Chemicals | When prey use poison or noxious chemicals to deter predators |
| Defensive covering | When prey have armor or spikes to protect from predators. |
| mimicry | Looking like a more dangerous organism |
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