Download Topic 5 – ECOLOGY and EVOLUTION

Topic 5 – ECOLOGY and EVOLUTION
Term
Species
Habitat
Population
Community
Ecosystem
Ecology
Autotroph
Heterotroph
Consumer
Detritivore
Saprotroph
Trophic level
Definition
A group of organisms that can interbreed and
produce fertile offspring.
The environment in which a species normally
lives, or its location.
A group of organisms of the same species living
in the same area at the same time.
A group of populations living and interacting in a
particular area
A community and its ABIOTIC environment.
The study of relationships between living
organisms and between living organisms and
their environment.
An organism that makes its organic molecules
from simple inorganic substances.
An organism that obtains organic molecules from
other organisms
An organism that ingests other organic matter
that is living or recently killed.
An organism that ingests non-living organic
matter.
An organism that lives on or in non-living
organic matter, secreting digestive enzymes into
it and absorbing the products of digestion.
The position of an organism in the food chain.