2. ECOLOGY
•branch in biology that studies
how living things interact with
each other and their
environment.
•all living things differ, but they
are interdependent
•“ecos” + “logos”
3. ECOLOGICAL LEVELS
OF ORGANIZATION
•1. Organism – the basic unit of
ecological system.
•2. Population – the group of the
same organisms living together
in an area with the ability to
interact and interbreed
4. ECOLOGICAL LEVELS
OF ORGANIZATION
•3. Community – group of
different populations of different
organisms
•4. Ecosystem – composed of
communities interacting with the
physical environment