Ecology Vocabulary
ECOLOGY
Levels of Organization
Organism
The study of living things and
how they interact with their
environment.
Biosphere
Ecosystem
Community
Population
Organism
One member of a
species
Population
Group of organisms that
belong to the same species in
an area
Community
Group of different
populations in an area
Ecosystem
Living and non-living
things that interact in an
area
Biosphere
Part of Earth that has life
(above, on, below surface)
Habitat
Where an organism lives and
gets its needs (example:
food, air, shelter, etc.)
Biome
Group of ecosystems with same
climate, same dominate
plants/animals
 Large geographical area that has a distinct
climate and certain species of plants and
animals.
 Identified by the dominant plant life.
 There are terrestrial (land) and aquatic
(water) ecosystems.