Download 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