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Ecology 8th Grade

TermDefinition
biotic fators Living parts (organisms) of the environment
abiotic factors nonliving parts of the environment
organism one living thing
population a group of individuals of the same species that live in the same place at the same time
community includes all of the populations of different species that live and interact in an area
ecosystem a community of organisms and their nonliving environment
biosphere includes all of the ecosystems
Host an organism that harbors or has another organism inside of it. This can be mutualistic or parasitic
producer uses energy to make food
predator-prey predators (lions, bears, wolves, etc.) are the hunters ; prey (rabbits, deer, seals etc.) are the ones who are hunted and eaten.
consumer an organism that gets it energy by eating other organisms
decomposer an organism that gets energy and nutrients by breaking down the remains of other organisms
herbivore a consumer that eats only plants
carnivore a consumer that eats only other animals
omnivore a consumer that eats both plants and animals
carrying capacity the maximum number of individuals of one species that the environment can support
limiting factor a part of the environment that keep's the population's size below its full potential
mutualism when two or more individuals or populations be
competition when two or more individuals or populations try to use the same limited resources
cooperation individuals working together
Sun the source of energy for all living organisms
food chain the path of energy transfer through living organisms
photosynthesis organisms use sunlight to synthesize (make) food (glucose) and oxygen from carbon dioxide and water
cellular respiration Relies on the respiratory system and digestive system to work together to aid in the bodies breakdown of food with the help of oxygen to produce the energy it needs (ATP)
Created by: jasmine.smith
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