Biotic and Abiotic Factors

in an

Ecosystem

Guided Notes

and

Independent Practice

Vocabulary!

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!!What are the biotic things that make up an ecosystem?

!What are the abiotic things that make up the ecosystem?

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Word:

!!Definition:

Synonym: !!Why it’s similar:

Word:

!!Definition:

Synonym: !!Why it’s similar:

Word:

!!Definition:

Synonym: !!Why it’s similar:

Picture #1

!Picture #2

!Picture #3

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Biotic Abiotic

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Biotic Abiotic

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Biotic Abiotic

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Name:______________________

Abiotic vs Biotic Factors

What is the definition of an abiotic factor?

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What is the definition of a biotic factor? _______________________________________________________________________________________

Enter the items from the following list into a Venn diagram.

In the center place what contains both biotic and abiotic factors.

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• Whale • Mushroom • Water • Desert • Paper • Glass • Temperature • Coral • Sand

• Clouds • Snail • Steak • Athletes Foot • Salad • Mold • Grass • Hair

• Ocean • Tree • Rocks • Dirt • Gold • Plastic • Grapes • Oxygen • Tundra

Comprehending…

All biotic and abiotic factors are interrelated. In nature you will find that if one factor is changed or removed, it impacts the availability of other resources within the system. Knowing this, give an example of what might happen given the following situations.

In the open space place either an (A) for abiotic or (B) for biotic to identify the underlined object. Then answer the question.

1. All of the rocks(___) are removed from a desert ecosystem, what would happen to the population of rock dwelling lizards (___) and in turn the animals which eat them.

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2.A ten mile area of trees (___) is removed from the tropical rainforest. How will this affect the amount of water (___) and the amount of oxygen (___) in the area?

________________________________________________________________________________________________________________ ________________________________________________________ !!Biotic and Abiotic Factors Ecosystem Drawing! !INSTRUCTIONS: 1. Choose an ecosystem to draw. In your drawing include the following: • 10 different biotic factors • 5 different abiotic factors !

2. Identify all 15 factors and label whether they are biotic or abiotic factors. • Your picture should make sense. Ex.- There shouldn’t be a

polar bear in a sand desert! • Color your picture for extra credit. • Be creative!

!You may use the next page for your drawing �

Name: ___________________________________ Date: ______________

Exit Ticket

1. Which of the following is NOT a biotic factor?

a. raccoons b. sunlight c. pine trees d. mushrooms

2. All of the following are abiotic factors EXCEPT:

a. sunlight b. water c. bacteria d. temperature

3. All ecosystems on Earth make up the:

a. atmosphere b. biosphere c. lithosphere d. hydrosphere

4. List the biotic and abiotic factors in this picture:

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!5. In your own words, describe what an ecosystem is: ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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Biotic Abiotic

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