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Ecology
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For many ecologists the basic structural units of ecological organization are
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to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
A biological species consists of all the organisms potentially able to interbreed under natural conditions and
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
A population consists of all the members of a single species occupying a common
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
An ecological community is composed of a number of populations that live and
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
This population-community view of ecology is grounded in natural history and the Darwinian theory of
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
Proponents of this approach generally view ecological systems primarily as
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
Abiotic forces are often regarded as external factors that influence but are apart from the central
???
to produce fertile offspring.
natural selection and evolution.
living core of the system.
interact in a specific region.
networks of interacting organisms.
geographical area at the same time.
species and populations.
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