Ecological Relationships Worksheet
Explore different types of ecological relationships including mutualism, commensalism, parasitism, predation, and competition with this Grade 9 science worksheet.
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Topics
Ecological Relationships
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Read each question carefully and provide your best answer. This worksheet will test your understanding of different ecological relationships.
1. Which ecological relationship benefits both organisms involved?
Parasitism
Commensalism
Mutualism
Predation
2. A tick feeding on a dog is an example of which type of relationship?
Mutualism
Commensalism
Parasitism
Predation
1. In , one organism benefits, and the other is neither harmed nor helped.
2. The struggle between organisms for limited resources is known as .
3. An organism that hunts and kills other organisms for food is called a , while the organism being hunted is the .
1. All ecological relationships involve direct physical contact between organisms.
True
False
2. In a parasitic relationship, both organisms benefit.
True
False
Match the ecological relationship to its description.
1. Mutualism
a. One organism benefits, the other is harmed.
2. Commensalism
b. Both organisms benefit.
3. Parasitism
c. One organism benefits, the other is unaffected.
4. Predation
d. One organism kills and eats another.
1. Describe an example of interspecific competition in an ecosystem.
2. Explain the difference between a producer and a consumer in an ecosystem.
Observe the image below and answer the question.
What type of ecological relationship is depicted in the image? Justify your answer.
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