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Sookdeo-Ecology Unit 8

ecology study of how organisms interact with one another and with the environment
biotic factor living part of the environment
abiotic factor non-living part of the environment(ex.water,soil)
population a group of individuals of the same species that live in the same place
species organisms that are closely related and can mate to produce offsprings
community different species that live together in a habitat are called a community
ecosystem community of organisms and their nonliving environment
habitat place where an organism usually live
niche the role the population plays in the ecosystem
producer autotrophs, use energy to make food
decomposer gets energy from breaking down the remains of other organisms
consumer an organism that eats other organisms
herbivore consumer that eats only plants
carnivore consumer that eats only animals
omnivore consumer that eats plants & animals
food chain path of energy transfer from producers to consumers
food web complex feeding relationship among organisms in an ecosystem
predator animal that eats another animal for food & energy
prey animal eaten by the predator
symbiosis close long term relationship between different species
mutualism symbiotic relationship where both organisms benefit
commensalism symbiotic relationship where one organisms benefits and the other is not affected
parasitism symbiotic relationship where one organism benefits another is harmed
competition organisms fight for the same resources
limiting factor factor that keeps a population from reaching its full potential size
native species species that naturally live in an ecosystem
introduced species species that have been brought to an ecosystem
wetland an area where land is covered by water for at least part of the year
coral reef diverse marine ecosystem; grows in water that is warm shallow & clear
estuary an area where freshwater mixes with salt water
Created by: dsookdeo