1. Definition: The study of
relationships between
Ecology organisms and their physical
environment
Illustration/example:
2. Definition: The world in
which an organisms lives is
Environment its environment. It includes
the living or biotic factors
and non-living or abiotic
factors.
Illustration/example:
3. Definition: An organism,
such as green plants, that
Producer makes its own food by
photosynthesis.
Illustration/example:
A producer will
convert light energy
into chemical energy
(sugar) through the
process of
photosynthesis.
4. Definition: Organisms such
as animals that can not
Consumer make their own food. They
eat other animals or plants
to obtain the energy and
nutrients they need to
survive.
Illustration/example:
Consumers
(Animals)
Producers
(Plants)
5. Definition: A community
interacting with the non-living
Ecosystem
parts of its environment.
Illustration/example:
6. Definition: Large
geographic areas that have
Biome similar climate and
ecosystems.
Illustration/example:
7. Definition: A model used to
show how energy from food
Food Chain passes from one organism
to another.
Illustration/example:
8. Definition: A model used to
describe a series of
Food Web
overlapping food chains.
Illustration/example:
9. Definition: Any biotic or
abiotic fact that restricts the
Limiting Factor
number of individuals in a
population
Illustration/example:
The lack of water
is a limiting factor
when it limits the
growth and
development of
plants.
10. Definition: The number of
Population individuals per unit of living
Density space.
Illustration/example:
12. Definition: The role of an
organism in the ecosystem.
Niche Another definition is how an
organisms makes its living in
a habitat.
Illustration/example:
13. Definition: A nonliving thing
in an ecosystem. Abiotic
Abiotic Factor factors can determine the
number and types of
organisms in an ecosystem.
Illustration/example: Abiotic Factors
Water Light
Rocks Temperature
14. Definition: The living, or
once living, that directly or
Biotic Factor indirectly affect an
organisms and it
surroundings.
Illustration/example: Biotic Factors
Fish Plants
Bacteria Algae
