Chapter 2LIving Things

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The study of interactions of living organisms with one another and with their envirorment.


Describes living elements in the envirorment.


Describes the nonliving part of the enviorment.


A group of organisms of the same species that live in a specific geographical area.


All the poppulations of species that live together.


a community of organisms and their abiotic environment


the part of earth where life exists


organism that obtains energy by eating only plants


organism that obtains energy by eating animals


an animal that eats both plants and animals

food chain

a series of steps in which organisms transfer energy by eating and being eaten

food web

a diagram that shows the feeding relationships between organisms in an ecosystem

carrying capacity

The largest population that an area can support


an organism that is killed and eaten by another organism


organism that eats other organisms


relationship in which two species live closely together


A relashinship between species where both benefit


a relationship between two organisms in which one organism benefits and the other is unaffected


A relationship between two organisms of different species where one benefits and the other is harmed

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