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Quarter 3 Word Wall
Term | Definition |
---|---|
symbiosis | A close relationship between two species in which at least one benefits |
ecosystem | A community of organisms and their abiotic environment |
energy pyramid | A diagram that shows the amount of energy that moves from one feeding level to another in a food web |
biodiversity | The number of different species in an area |
invasive species | species that enter new ecosystems and multiply, harming native species and their habitats |
parasitism | A relationship between two organisms of different species where one benefits and the other is harmed |
keystone species | A species that influences the survival of many other species in an ecosystem |
secondary consumer | An organism that eats primary consumers |
food web | a diagram showing many connected and independent food chains |
mutualism | A relationship between two species in which both species benefit |
biome | A group of ecosystems with similar climates and organisms |
commensalism | A relationship between two organisms in which one organism benefits and the other is unaffected |
abiotic | non-living things in an ecosystem |
niche | An organism's particular role in an ecosystem |
tertiary consumer | An organism that eats secondary consumers |
trophic level | Each step in a food chain or food web |
primary consumer | An organism that eats producers |
biotic | the living or once living things in an ecosystem |
native species | Species that normally live and thrive in a particular ecosystem |
carrying capacity | Largest number of individuals of a population that an ecosystem can support |