Abiotic vs Biotic Factors

Open Ended

What is one thing you want the adults in your life to understand about middle schoolers?

​How do Abiotic Factors affect Biotic Factors?​

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In the next slides, answer the scenarios and discuss.​

Open Ended

Scenario #1:

An ecosystem is experiencing a devastating drought.  It has not rained in weeks.  How will the severe lack of rainfall affect the biotic factors in the ecosystem?

Open Ended

Scenario #2

A large majority of soil and rocks used for shelter are washed away in a flood.  How will this affect the biotic factors in this ecosystem?

Open Ended

Scenario #3

An unexpected blizzard drops several feet of snow overnight.  How will this affect the biotic factors in this ecosystem?

Write down Biotic (living) factors on the left side.

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Write down Abiotic (nonliving) factors on the right side ​

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Biotic and Abiotic Factors - Picture #1

Poll

Identify the Biotic Factors in the picture.

• Coral Reef

• Dolphins

• Ocean Water

• Light

Multiple Choice

Is soil a biotic or abiotic factor?

• biotic

• abiotic

Multiple Choice

Is disease a biotic or abiotic factor?

• biotic

• abiotic

Multiple Choice

Is sunlight a biotic or abiotic factor?

• biotic

• abiotic

Multiple Choice

Abiotic factors are ___________.

• non-living parts of an ecosystem

• living parts of an ecosystem

• things that once were alive, but now are dead

• not important parts of ecosystems.

Multiple Choice

An ecosystem is made up of __________.

• living things only

• non-living things only

• both living and non-living things

Multiple Choice

What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

Multiple Choice

Which of the following is NOT a biotic factor?

• Coyote

• air

• elephant

Weather

Abiotic/Biotic​

Seal

Abiotic/Biotic​

Butterfly

Abiotic/Biotic​

Precipitation

Abiotic/Biotic​

Altitude

Abiotic/Biotic​

Bacteria

Abiotic/Biotic​