interactions between biotic and abiotic factors. a(n) ___________ factor is a living (or once...
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EcologyInteractions between biotic and abiotic factors
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Review• A(n) ___________ factor is a living (or once living)
component of an ecosystem.
• A(n) ___________ factor is a non-living component of an ecosystem.
biotic
abiotic
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Review• An ecosystem is the interaction between
__________ and __________ factors
abiotic
biotic
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Biotic or Abiotic?
Biotic AbioticAbiotic
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Biotic or Abiotic?
Biotic AbioticBiotic
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Biotic or Abiotic?
Biotic
Abiotic
Biotic
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Biotic or Abiotic?
Biotic AbioticBiotic
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Biotic or Abiotic?
Biotic AbioticBiotic
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Interactions• How do these abiotic factors affect the biotic
parts of an ecosystem?
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Activity
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Activity
Squirrels
Trees
Fish
Air
Water
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Activity
Bacteria
Temperature
Squirrels
Flowers
Deer
Trees
Fish
Soil
AirMinerals
Water
Sun
Grass
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Interactions between biotic and abiotic factors• What abiotic factors are important for a plant to
grow?
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1. Sun• Provides warmth to living organisms• Provides solar energy (light) for green plants to
make their own food• The number of hours of daylight triggers
seasonal events, such as: -plants flowering -birds migrating
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2. Water• Important for life processes of all living
things (plants and animals) such as: -distributing food particles through their bodies -digesting food• Important for organisms that live under water, such as: -trout -whales -algae
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3. Air• Provides oxygen (O2), which animals breathe
• Provides carbon dioxide (CO2) for plants to use to make their own food
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4. Soil• Provides a home for many animals that live
underground -earthworms
• Provides nutrients for plants
• Plants grow in soil