Grade 8 Science: Symbiotic Relationships
This worksheet covers different types of symbiotic relationships: mutualism, commensalism, and parasitism, with examples and questions.
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Symbiotic Relationships
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of symbiotic relationships.
1. Which type of symbiotic relationship benefits both organisms involved?
Parasitism
Commensalism
Mutualism
Predation
2. A tick feeding on a dog is an example of what type of relationship?
Mutualism
Commensalism
Parasitism
Competition
1. A close and long-term interaction between two different biological organisms is called a relationship.
2. In , one organism benefits and the other is unaffected.
3. The organism that lives on or in a host and gets its nutrients from the host is called a .
1. All symbiotic relationships are beneficial to both organisms involved.
True
False
2. Clownfish and sea anemones have a mutualistic relationship.
True
False
1. Describe the difference between mutualism and commensalism. Provide an example for each.
2. Explain why a parasitic relationship is considered a symbiotic relationship, even though one organism is harmed.
Match the symbiotic relationship to its definition.
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.