Species Coexistence Worksheet
Explore the fascinating world of species coexistence, including competition, predation, symbiosis, and niche partitioning, for Grade 11 Biology students.
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Standards
Topics
Species Coexistence: Interactions in Ecosystems
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Read each question carefully and provide thoughtful answers based on your understanding of species coexistence and ecological interactions.
1. Which of the following best describes interspecific competition?
Competition between individuals of the same species.
Competition between individuals of different species.
A relationship where one species benefits and the other is harmed.
A relationship where both species benefit.
2. Which of the following is an example of a commensalistic relationship?
A lion hunting a zebra.
Barnacles attached to a whale.
Bees pollinating flowers.
Tapeworms living in a host's intestine.
3. The principle of exclusion states that two species competing for the exact same limited resources cannot coexist indefinitely.
4. Resource is a mechanism by which species avoid competition by utilizing different aspects of a shared resource.
5. Explain the concept of an ecological niche and differentiate between a fundamental niche and a realized niche.
6. Observe the image below depicting different types of symbiotic relationships. Identify and briefly describe each type shown.
7. Predation always results in the extinction of the prey species.
True
False
8. Parasitism is a type of symbiotic relationship where both organisms benefit.
True
False
Match each term with its correct definition.
9. Mutualism
a. One species benefits, the other is unaffected.
10. Commensalism
b. Both species benefit.
11. Parasitism
c. One species benefits, the other is harmed.
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