Download Up to 15 Inches of Rain Floods Texas

Up to 15
Inches of
Rain
Floods
Texas
Drought
Wildfires
What do these pictures have in common?
Ecology
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Ecology - The study of interactions among organisms
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Biotic – Living factors
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Abiotic – Nonliving factors

What nonliving things in your environment do you
interact with?

In what ways are these nonliving things essential
to organisms?
and between organisms and their environment.
Levels of Organization in the
Biosphere
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Single individual: organism
Population: group of individuals of the same species
Community: several populations that live together in
an area
Ecosystem: all organisms that live in an area plus their
nonliving, physical environment
Biome: a group of ecosystems that have the same
climate
Biosphere: the area on earth where life exists
Organism
Single
Individual
Population
Group of individuals of the same species
Community
Several
populations that
live together in an
area
Ecosystem
All organisms that live in
an area plus their
nonliving, physical
environment
Biomes: a group of ecosystems
with the same climate
Biosphere
INTERDEPENDENCE
No organism exists in isolation
 All types of organisms on earth
depend on one another for their
survival.

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What evidence is there that people in our society
today are aware of the interdependence of living
things?