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Science Ch.7 vocab

the parts of Earth where and the surrounding astomosphere where there is life biosphere
all the populations of different species that live together at the same time community
all the organisms of the same species in the same place at the same time population
the demand for resources, such food, water, and shelter in short supply in a community competition
anything that restricts the size of a population limiting factor
the size of the populationcompared to the amount of space available population density
potential growth of a population if could grow in perfect conditions with no limiting factors biotic potential
largest number of individuals of one species that an eviroment can support carrying capacity
birth rate the number of offspring over a given period of time
death rate the number of individuals that die of the same time period
extinct species species that has died out and none are left
endangered species species at danger of being extinct
threatend species a species at risk, but not yet endangered
instinctive seasonal movementof a population of organisms from one place to another migration
the place within an ecosystem where an organism livies habitat
what a species does in its habitat to survive niche
organisms that get energy from the enviroment, such as sunlight and make their own food producers
organism that get their energy by eating other organims consumers
close, long-term relationship between two species that usually involves an exchange of food or energy symbiosis
symbiotic relationship with both partners benifit mutualism
symbiotic relationship that one species benifits and the other is neither harmed nor helped commensalism
symbiotic relationship that benifits one but one is harmed parasitism
Created by: alwaystudy