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15 Cards in this Set

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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 atmosphere.
carrying capacity
largest number of individuals of a particular species that an ecosystem can support over time.
commensalism
a type of symbiotic relationship in which one organism benefits and the other organism is not affected.
consumer
organism that cannot create its own food
ecology
study of the interactions that take place among organisms and their environment.
ecosystem
all the living organisms and their environment.
habitat
place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival.
limiting factor
anything that can restrict the size of a population, including living and nonliving features of an ecosystem, such as predators or drought.
mutualism
a type of symbiotic relationship in which both organisms benefit.
niche
in an ecosystem, refers to the unique ways an organism survives, obtains food and shelter, an avoids danger.
parasitism
a type of symbiotic relationship in which one organism benefits and the other organism is harmed.
population
all the organisms that belong to the same species living in a community.
producer
organism, such as a green plant or alga, that creates its own food.
symbiosis
any close relationship between species, including mutualism, commensalism, and parasitism.
community
all the populations of different species that live in an ecosystem.