Grade 12 Symbiotic Relationships Worksheet
Explore the different types of symbiotic relationships (mutualism, commensalism, parasitism) and their ecological significance with this Grade 12 science worksheet.
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Grade 12 Symbiotic Relationships Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet covers various aspects of symbiotic relationships.
1. Which type of symbiotic relationship benefits both organisms involved?
Commensalism
Parasitism
Mutualism
Competition
2. In a parasitic relationship, the organism that benefits is called the:
Host
Symbiont
Parasite
Commensal
1. is a relationship where one organism benefits and the other is neither helped nor harmed.
2. Lichens are a classic example of between a fungus and an alga or cyanobacterium.
3. The tapeworm living in the intestine of a mammal is an example of a relationship.
1. All symbiotic relationships are beneficial to at least one organism.
True
False
2. In a mutualistic relationship, both organisms suffer some harm.
True
False
1. Differentiate between obligate and facultative symbiosis, providing an example for each.
2. Explain how cleaner fish and larger marine animals demonstrate a mutualistic relationship.
Match the symbiotic relationship with 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.
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