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15 Cards in this Set

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includes the top portion of Earth's crust, all the waters that cover Earth's surface, and the atmosphere that surounds Earth.
Biosphere
consists of all the organisms living in an area and the nonliving features of their enviornment.
Ecosystem
is the study of interactions that occur among organisms and their enviornment.
Ecology
is made up of all the organisms in an ecosystem that belong to the same species.
Population
refers to all the populations in an ecosystem.
Community
The place in which an organism lives.
Habitat
anything that restricts the number of individuals in a population.
Limiting Factor
the largest number of individuals of one species that an ecosystem can support over time.
Carrying capacity
organisms that use an outside energy source like the Sun to make energy-rich molecules.
Producers
organisms that CANNOT make their own energy-rich molecules.
Consumers
any close relationship between species.
Symbiosis
a symbiotic relationship in which both species benefit.
Mutualism
a symbiotic relationship in which one organism benefits and the other is not affected.
Commensalism
a symbiotic relationship in which one organism benefits but the other is harmed.
Parasitism
refers to how an organism survives, how it obtains food and shelter, how it finds a mate and cares for its young, and how it avoids danger.
Niche