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Ecological Relationships Worksheet

Explore ecological relationships including food chains, food webs, and symbiosis with this Grade 6 science worksheet.

Grade 6 Science BiologyEcological Relationships
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

MS-LS2-2MS-LS2-3

Topics

ecologyfood webfood chainsymbiosisgrade 6
7 sections · Free to use · Printable
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Ecological Relationships

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Read each question carefully and answer to the best of your ability. Use the provided diagrams to help you understand the concepts.

1. Look at the food chain below. Which organism is the producer?

food chain diagram
a

Grass

b

Rabbit

c

Fox

d

Eagle

2. A food   shows how all the food chains in an ecosystem are connected.

food web diagram

3. Organisms that eat other organisms are called  .

4. Organisms that produce their own food are called  .

5. In a mutualistic relationship, both organisms benefit.

T

True

F

False

6. A parasitic relationship harms one organism and benefits the other.

T

True

F

False

7. Describe an example of a commensalistic relationship.

symbiosis examples

Match each term on the left with its definition on the right.

8. Producer

 

a. An organism that eats other organisms.

9. Consumer

 

b. An organism that makes its own food.

10. Decomposer

 

c. An organism that breaks down dead organic matter.