Biotic and
Abiotic
factors in the
environment
ECOLOGY
Table of Contents
Date
Assignment
Biotic and Abiotic Factors
Page
Number
p. 1
How many living and nonliving
things can you identify in this
photograph?
Let’s watch…
 Biotic
vs. Abiotic
Living things depend on the
environment.
 Ecology
is ... how organisms interact with
their environment and all the other
organisms that live in that environment.
 An
Ecosystem... describes a particular
environment and all the living things that
are supported by it.
Biotic Factors
Living organisms in an ecosystem
ex. fish, microorganisms, plants,
etc.
Abiotic Factors
 Non-living
 Ex.
factors in an environment
Sunlight, Carbon Dioxide, water,
oxygen
Create the following Venn
diagram in your notebook

Biotic
Abiotic
Biotic or Abiotic?

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Whale
Clock
Water
Fish
Paper
Glass
Aluminum
Wooden Ruler
Sand
Clouds
Corpse
Snail
Steak
List the biotic and abiotic
factors in the following picture:
 All
biotic and
abiotic factors are
interrelated. In
nature, you will find
that if one factor is
changed or
removed, it
impacts the
availability of other
resources within
the ecosystem.
What might happen?
If
all of the rocks ( ___ ) are
removed from a desert
ecosystem, what would
happen to the population of
rock dwelling lizards (___)?
What would happen to the
animals that eat the lizards?
What might happen?
A
ten mile area of trees (
___ ) is removed from the
tropical rainforest. How will
this affect the amount of
oxygen ( ___ ) in the
ecosystem?
A song to help you
remember…