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Symbiotic Relationships in Nature

Explore the fascinating world of symbiotic relationships, including mutualism, commensalism, and parasitism, with this Grade 6 science worksheet.

Grade 6 Science BiologySymbiotic Relationship
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

MS-LS2-2MS-LS2-4

Topics

symbiosismutualismcommensalismparasitismsciencebiologyecosystem
7 sections · Free to use · Printable
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Symbiotic Relationships

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Date:

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Read each question carefully and answer to the best of your ability. Good luck!

1. What is a symbiotic relationship?

a

A relationship where one organism hunts another for food.

b

Any close interaction between two different species.

c

A competition between two organisms for resources.

d

The process of plants making their own food.

2. Which type of symbiotic relationship benefits both organisms?

a

Parasitism

b

Commensalism

c

Mutualism

d

Predation

3. In a   relationship, one organism benefits, and the other is harmed.

4. Clownfish living among the stinging tentacles of a sea anemone is an example of  .

5. A tick feeding on the blood of a dog is an example of  .

6. All symbiotic relationships are beneficial to both organisms involved.

T

True

F

False

7. Commensalism is a type of symbiotic relationship where both organisms benefit.

T

True

F

False

8. The relationship between a butterfly caterpillar and an ant can be symbiotic.

Symbiotic relationship between butterfly caterpillar and ant
T

True

F

False

9. Describe the difference between mutualism and commensalism. Provide an example for each.

Match the symbiotic relationship with its description.

10. Mutualism

 

a. One organism benefits, the other is unaffected.

11. Commensalism

 

b. Both organisms benefit.

12. Parasitism

 

c. One organism benefits, the other is harmed.