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19 Cards in this Set

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Ecology
Is the study of the interactions between organisms and the living and nonliving components of their environment
Greenhouse Effect
Is the mechanism that insulates Earth from the deep freeze of space
Biosphere
the thin volume of Earth and its atmosphere that supports life. all organisms are found within it
Ecosystem
includes all the organisms and the nonliving environment found in a particular place
Community
is all the interacting organisms living in an area
Population
includes all the members of a species that live in one place at one time
Biotic factors
inlcude all of the living things that affect the organism
Abiolic factors
are the physical and chemical characteristics of the environment
Tolerance curve
a graph of performance versus values of an environmental variable such at tempature
Acclimation
process at which some organisms adjust to their tolerance to abiotic factors.
Conformers
are organiss that do no regulate their internal conditions. they change as their external envionment changes
regulators
are organisms that use energy to control some of their internal conditions
Dormancy
a state of decreased metabolism
migration
move to another more favorable habitat
resources
the energy and materials the species needs
niche
is its way of life, or the role the species plays in its environment
fundamental niche
is the range of conditions that a species can potentially use
Realized niche
is the range of resources its actually uses
Generalists
are species with broad niches, they can tolerat a range of cinditions and use a variety of resources