Ecology Terms
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Transcript Ecology Terms
Ecosystem
All of the
living (biotic)
and nonliving
(abiotic)
things in an
area
What is
abiotic in this
ecosystem?
Biotic?
Species
A group of
organisms that are
able to reproduce
and create fertile
offspring.
Ex: all the horses in
the world
Population
A group of
individuals of the
same species in
one area
Ex: all of the dogs
in Lindsay
Immigration
To enter and
settle in an
area to which
an organism is
not native
Emigration
To leave an
area and settle
in another
area
Food web
Diagram of
several
interconnected
food chains
Energy Pyramid
Image of the
trophic (feeding)
levels in an
ecosystem
Producers/Autotrophs
Auto = self
Troph = feed
Make sugar from
the sun's energy
through
photosynthesis
(some exceptions to this)
Example: plants,
trees, grass
Consumers/Heterotrophs
Hetero = different,
other
Troph = feed
Cannot make their
own food, must
obtain nutrients from
eating consumers or
producers
3 types:
- Herbivore
- Carnivore
- Omnivore
Decomposers
Break down
dead
organisms to
release
nutrients into
environment
Ex: bacteria
and fungi