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ecology 2014
7th grade, Georgia, Ecology unit
| term | definition |
|---|---|
| ecology | the study of the interactions of organisms with other organisms and their environment |
| biotic factor | living part of an enviroment |
| abiotic factor | non-living part of enviroment (don't confuse with dead) |
| population | all the same species that live in a specific area |
| community | all the populations in a specific area |
| ecosystem | a community + the abiotic factors in the area |
| biome | a large area of similar ecosystems |
| biosphere | area that can support life, on and around earth |
| species | any group that can breed & produce fertile offspring |
| producer | makes own nutrients, like a plant, usually using photosynthesis |
| consumer | eats other things to survive |
| herbivore | a type of consumer that eats only plants |
| carnivore | type of consumer that eats only meat |
| omnivore | type of consumer that eats both plants and meat |
| decomposer | get energy by breaking down long dead thinggs |
| food chain | the path of energy showing feeding pattern, simple |
| food web | shows the feeding relationship between organisms in a ecosystem, complex |
| energy pyramid | triangulear diagram that shows the loss of energy as you move up each trophic level also shows the level of biomass at each trophic level |
| carrying capacity | the largest population an environment can support |
| prey | the thing being hunted |
| predator | the thing hunting |
| symbiosis | any of three types of relationships in which 2 differnt organisms live in close contact with each other |
| competition | fighting for limited resources within your own species or organisms that need similar things |
| mutualism | a type of symbiotic relationship where both species get a benifit (flower & bee) |
| commensalism | a type of symbiotic relationship where one gets a benifit and the other is neither helped or hurt (shark & remora) |
| parasitism | a type of symbiotic relationship where one species gets what it wants and the other gets hurt or even dead (dog and flea)the one getting hurt is called the HOST, the other the parasite |
| primary succession | the order in which living things move onto newly formed land |
| secondary succession | the order in which living things move into land after a disaster OR after developed land falls into disuse (think LIFE AFTER PEOPLE) |
| Water cycle | water is not created or lost, but can change forms and cycles through our enviroment |
| Carbon cycle | how carbon flows through the enviroment, important because we are all CARBON BASED LIFE FORMS |
| nitrogen cycle | how nitrogen cycles through our environment, necessary for plant growth and life |
Created by:
fivefootgoddess
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