Download Chapter 13.2 - Biotic and Abiotic Factors

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13.2 Biotic and Abiotic Factors
KEY CONCEPT
Every ecosystem includes both living and nonliving
factors.
13.2 Biotic and Abiotic Factors
Biotic Factors.
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Biotic factors are living things.
plants
animals
fungi
bacteria
plants
13.2 Biotic and Abiotic Factors
Abiotic Factors.
moisture
• Nonliving things.
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moisture
temperature
wind
sunlight
soil
soil
sunlight
13.2 Biotic and Abiotic Factors
Biodiversity
• Biodiversity is the
assortment, or variety,
of living things in an
ecosystem.
Tropical rain forests have the most biodiversity than other locations in the world.
13.2 Biotic and Abiotic Factors
Keystone Species
• Keystone species form and maintain a complex web of life.
Which organism holds the keystone?
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