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Chapter 4

QuestionAnswer
Ecosysytem An area in which living things interact with one another and with nonliving things.
Population A group of organisms of the same species living together in an ecosystem.
Community All of the populations living in an ecosystem.
Habitat The part of an ecosystem in which an organism lives.
Niche An organism's role in an ecosystem.
Diversity A measure of the number and variety of of species in an ecosystem.
Producer An organisms that makes its own food.
Food Chain A sequence of connected producers and consumers.
Consumer An organism that eats other organisms.
Food Web A group of connected food chains in an ecosystem.
Energy pyramid A diagram that shows energy is lost at each level in the food chain.
Competition The struggle among organisms for limited resources.
Symbiosis A close relationship b tween organisms of different species in which one or both of the organisms benefit.
Created by: baranik6
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