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Science vocab

limiting factors are things that limit the numbers of animals in an area includes food, water, living space, predators, disease, fire, and humans.
commensalism relationship that benifits one organism, but does not harm or help the other
habitat the place where an organism lives
niche the role an organism plays in an ecosystem
parasitism relationship that benifits one organism while hurting and harming its host
predation feeding one organism on another
symbioses any close relationship between two or more different species
algea main producers in lakes and oceans
producer organism that makes its own food
secondary consumer an organism that consumes plant eating animals
decomposer an organism that breaks down the waste or remains of non living organisms
tertiary consumer an organism that consumes meat eating animals
scavenger animal that eats only dead organism
organism any living thing
offspring new organism produced by a living thing
asexual reproduction reproduction needing only one parent
sexual reproduction reproduction needing two parents
reproduction process by which living things produce new organisms that are alike themselves
fission simplest form of asexual reproduction (ex. paramecium)
budding growth of a new organism from the parent organism (ex. yeast)
controlled experiment two experiments that are exactly alike except for one change in one of them
field study an experiment that is done outdoors in a field setting
laboratory study an experiment that is done indoors in a lab
control part of an experiment in which NO CHANGE is made
variable anything that CAN BE CHANGED in an experiment. the one change that is made!
experiment a test of hypothesis
adaptation any trait of an organism that helps that organism live in its enviornment
behavior the way in which an organism responds to different stimuli
stimulus a change that causes a response
response a reaction to change
migration movement of animals from one place to another
hibernation temporary sleep like state of some animals during winter months
instinct behavior thatan organism is born with- so it is NOT a learned behavior
mutalism is a relationship where two organisms both benifit from the relationship (and neither of the organisms is hurt or harmed by the relationship)
Created by: juliana1113