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Topic: Limiting Factors
Essential Question: What do organisms
depend on and compete for in an
ecosystem?
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Ecosystem
a system involving the interactions
between a community of living organisms
in a particular area and its nonliving
environment
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Limiting Factors
anything that restricts the
number of individuals in a
population. They are biotic and
abiotic factors
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Biotic Factors
Living parts of the environment
-animals
-plants
-bacteria
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Abiotic Factors
Non-living parts of the environment
- sunlight
- air
-water
-temperature
- space
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Competition
occurs whenever more than one
individual or population tries to make use
of the same resource
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Intraspecific competition
members of the same species compete for
the same resources
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Interspecific competition
When different species compete for
resources
What to highlight
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in red
• What we are highlighting will help us
answer the essential question:
• What do organisms depend on and
compete for in an ecosystem?
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• What you have highlighted should be the
answer to your question
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Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
What is an
ecosystem?
Ecosystem
a system involving the interactions
between a community of living
organisms in a particular area and its
nonliving environment
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
What are
limiting
factors?
Limiting Factors
anything that restricts the
number of individuals in a
population. They are biotic and
abiotic factors
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Biotic Factors
Living parts of the environment
-animals
-plants
-bacteria
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
What is the
difference
between
biotic and
abiotic
factors?
Abiotic Factors
Non-living parts of the environment
- sunlight
- air
-water
-temperature
- space
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Competition
When more than one individual or
population tries to make use of the same
resource
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
Intraspecific competition
members of the same species compete
for the same resources
Topic: Limiting Factors
Essential Question: What do organisms depend on and
compete for in an ecosystem?
What are the
2 types of
competition?
Interspecific competition
When different species compete for
resources
Now let’s write a summary
Look at each question you wrote on your
own, and answer each question in a
complete sentence.
-What is an ecosystem?
-What are limiting factors?
-What is the difference between biotic
and abiotic factors?
-What are the 2 types of competition?