Worksheet 1: Abiotic versus Biotic factors



Name:__________________________________ Date ________________ Period _____________

Abiotic vs Biotic Factors

What is the definition of an abiotic factor? (2pts)________________________ _________________________________________________________________

What is the definition of a biotic factor? (2pts) _________________________

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What 6 things are necessary for an item to be alive? (1pt ea)

___________________ ___________________ ______________________

___________________ ___________________ ______________________

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

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

(20 abiotic, 28 biotic, 5 in center…..1/2 pt each, 27pts total)

Fish

Plastic Chair

Water

Train

Atom

Cup

Insects

Wood

Sea Shell

Dirt

Dog

Worm

Burger

Wheat

T.V.

Broccoli

Pine Tree

Energy

Flower

Dead animal

Wooden

-table

Cotton Shirt

Sunlight

Ice

Hydrogen

Strawberry

Wind

Clouds

Snail

Steak

Athletes

foot

Salad

Mold

Grass

Hair

Whale

Mushroom

Ice

Desert

Paper

Glass

Temperature

Coral

Sand

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 bolded object. (2 pts ea) Then answer the questions. (3 pts ea)

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. ______________________________________________________________________________________________________________________________

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?

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List the abiotic and the biotic factors. List 5 of each (1pt each +1 point Bonus for each extra) found in the following image.

Abiotic Factors:

1.

2.

3.

4.

5.

Biotic Factors

1.

2.

3.

4.

5.

Draw an Ecosystem INSTRUCTIONS:

1. Choose an ecosystem to draw. (Total 37 points)

–Draw onto notebook paper then submit a CLEAR pic to Schoology

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.

(2 pts each-1 for label, 1 for A/B):

• You may make a table or a list similar to the one in the question above

• Your picture should make sense. Ex.) There shouldn’t be a polar bear in a sandy desert! (4 points for drawing)

• Color your picture for extra credit. (Bonus 10 Points)

• Fill the WHOLE Page & Be creative!

Further Analysis:

Which ecosystem did you choose? (1 point) ___________________

Choose one abiotic factor and one biotic factor from your ecosystem. Imagine that they were suddenly removed. How would your ecosystem change? (2 Points)

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