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Stack #117139

biosphere the part of Earth that supports life, including the top portion of earth's crust, all the waters that cover Earth's surface, and the surrounding atmosphere.
carrying capacity the largest number of individuals of one species that an ecosystem can support over time.
commensalism a symbiotic relationship in which one organism benefits and the other is not affected.
community all the animals and olants living in an area.
consumer organisms that cannot make their own energy-rich molecules.
ecology the study of ineractions that occur among organisms and their enviroment.
ecosystem all the organisms living in an area and the nonliving reatures of their environment.
habitat the place in which an organism lives.
limiting factor anything that restricts the number of individuals in a population.
mutualism a symbiotic relationship in which both species benefit.
niche how an organism survives, including its habitat, how it obtains food and shelter, and how it avoids danger.
parasitism a symbiotic relationship in which one organism benefits while the other is harmed
population all the organism in an ecosystem that belong to the same species
producer organisms that use an outside energy source, such as the Sun, to make energy-rich molecules
symbiosis any close relationship between species
predator consumers that capture and eat other consumers
prey a consumer captured and eaten by another consumer
competition two or more organisms seek the same resource at the same time
chemosynthesis the production of energy-rich molecules from chemicals
food web shows all the possible feeding relationships among the organisms in a community
energy pyramid shows the amount of energy available at each feeding level in an ecosystem
food chain a simple way of showing how matter and evergy pass from one oranism to another
Created by: Julian Jones