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Species Coexistence Worksheet

Explore the different ways species interact and coexist within ecosystems, including competition, predation, mutualism, commensalism, and parasitism.

Grade 9 Science BiologySpecies Coexistence
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatchingText

Standards

NGSS.HS-LS2-6NGSS.HS-LS2-7

Topics

biologyecologyspecies interactionscoexistencesymbiosis
8 sections · Free to use · Printable
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Species Coexistence

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Read each question carefully and provide your best answer. This worksheet will assess your understanding of how different species interact and coexist in an ecosystem.

1. Which type of species interaction benefits both organisms involved?

a

Competition

b

Predation

c

Mutualism

d

Parasitism

2. When two species require the same limited resources, they are engaging in   for those resources.

3. A relationship where one organism benefits and the other is harmed is called  .

4. Commensalism is an interaction where one species benefits and the other is unaffected.

T

True

F

False

5. Briefly describe the concept of a niche in the context of species coexistence.

Match each interaction type with its description.

6. Mutualism

 

a. One benefits, other harmed

7. Parasitism

 

b. Both benefit

8. Commensalism

 

c. One benefits, other unaffected

The image below illustrates a complex species interaction. Analyze the image and answer the question.

A novel type of nutritional ant-plant interaction

9. Based on the image, what type of interaction do you think is occurring between the ant and the plant, and why?