AGS 121

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AGS12-1
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Environment - An organisms surroundings.
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Ecology - The study of the interactions among
living and nonliving things in their environment.
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biotic factors - living things in the
environment. (animal, plant, fungi,
archaebacteria, eubacteria, and protist)
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Abiotic factors - Nonliving factors (water, air,
light, temperature, etc.)
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Levels of organization
biosphere
ecosystem
community
population
organism
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Habitat - Where an organism lives.
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Organism - an individual. (human)
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Population - all the members of 1 species in a
given area. ( humans in Moultrie)
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Community - All the different species that live
in a given area. ( all living things, cats, dogs,
pine trees, etc. in Moultrie)
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Ecosystem - All the interactions among the
populations in a community and nonliving things
in the environment.
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Biosphere - The part of Earth that can support
life.
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Succession - Changes that occur over time in a
community.
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Pond A
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Pond B
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Pond C
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Pollution - Adding anything to the environment
that is harmful.
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Acid rain - Rain water mixed with sulfur dioxide.
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Habitat destruction - Changing the habitat of
organisms.
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Threatened - Less organisms than there were.
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Endangered - very few of a species left.
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Extinct - no members of a species left.
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Biomes - ecosystems found over large geographic
regions.
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Resources - A thing that an organism uses.
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Renewable resources - resources that will be
replaced naturally.
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Nonrenewable resource - a resource that will not
be replaced naturally.
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Fossil fuels - Fuels formed from the remains of
plants or animals.