Intro to Ecology
Transcript Intro to Ecology
study of interactions that take
place between organisms and their
explains how living organisms
affect each other and the world they
is the place an organism lives.
is the unique position occupied
by a species both in terms of its
physical use of its habitat and its
function within an ecological
“total way of life” or its “role” in the
factors- the nonliving parts of
an organism’s environment.
affect an organism’s life
Ex: air currents, temperature, moisture, light,
factors- all the living
organisms that inhabit an
organisms depend on
others directly or indirectly
for food, shelter,
reproduction, or protection.
have organized the
interactions of organisms, based on
different levels of complexity.
An individual living thing that demonstrates
• Made of cells,
• Responds to Stimuli
A group of organisms, all of the same
species, which interbreed and live in the
same place at the same time.
All the populations of different species
that live in the same place at the same
Ecosystem: Populations of plants and
animals that interact with each other in a given
area with the abiotic components of that area.
The portion of Earth that supports life.