Transcript Intro to Ecosystems

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The study of
how living
things and their
environment
interact.
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Ecosystem: all of the living and
non-living things in an area
interacting with each other.
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LIVING parts of an ecosystem such as plants,
animals, and bacteria.
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NON-LIVING parts of an ecosystem.
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Population: all
the members
of one species
in an
ecosystem.
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All the populations living together in
the same area.
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Biosphere
Ecosystem
Community
Population
Organism
The area in which
an organism lives.
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An organisms “job” in
an ecosystem.
A giraffe's niche is feeding on
the canopy on trees.
*Generally, no two species will occupy the same exact niche in an
ecosystem.
*This is because it causes the species to compete with one another
for resources, and only one will prevail.
*Therefore, one species will typically have to relocate, or adapt to
another niche- which is not an easy thing to do- or risk extinction.
http://www.grln.net/Giraffe3.jpg
Lions and African wild dogs are both
carnivores, but they have slightly different
niches that allow them to coexist in the same
ecosystem. Lions hunt large prey such as
zebras, while wild dogs prefer smaller prey
such as antelope.
http://www.hdwallpapers.in/walls/african_lion_king-wide.jpg
wildafrica.cz
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