Ecology
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Transcript of Ecology
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Ecology
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The study of the
interactions that take
place among
organisms and their
environment
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Biosphere
The part of Earth that supports
life
Top portion of Earth's crust
All the waters that cover Earth's
surface
Atmosphere that surrounds Earth.
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Ecosystem
All the organisms living in an
area and the nonliving features
of their environment
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Population
All the organisms in an
ecosystem that belong to the
same species
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Community
All the populations in an
ecosystem
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Habitat
The place in which an
organism lives provides the kinds of food and
shelter, the temperature, and the
amount of moisture the organism
needs to survive
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Competition
Food
Space
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Competition
Competition caused by
population growth affects many
organisms, including humans
Limits population size
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Limiting Factor
Anything that restricts the
number of individuals in a
population.
Includes living and nonliving
features of the ecosystem
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Succession
Natural, gradual changes in the
types of species that live in an
area; can be primary or
secondary. Primary – begins in a place without soil
Secondary – where soil already exists
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Primary Succession
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Secondary Succession
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Pioneer species
A group of organisms, such as
lichens, found in the primary
stage of succession and that
begin an area's soil-building
process
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Climax community
A community that has reached a
stable stage of ecological
succession
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Biome
Large geographic areas with
similar climates and ecosystems
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Includes
Tundra
Taiga
Desert
Temperate deciduous forest
Temperate rain forest
Tropical rain forest, and grassland
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Thank YOUUU.