Ecological Relationships
Explore various ecological relationships including predation, competition, and symbiosis (mutualism, commensalism, parasitism) with this Grade 11 science worksheet.
Includes
Standards
Ecological Relationships
Name:
Date:
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Read each question carefully and provide your best answer. This worksheet covers various types of ecological relationships.
1. Which ecological relationship benefits one organism and harms the other?
Mutualism
Commensalism
Parasitism
Competition
2. In a food web, which organisms are typically at the bottom, producing their own food?
Primary Consumers
Secondary Consumers
Decomposers
Producers
3. A relationship where both organisms benefit is called .
4. When two species require the same limited resources, they are engaged in .
5. Observe the food web below. Identify one producer, one primary consumer, and one secondary consumer.
6. Commensalism is a relationship where one organism benefits and the other is unaffected.
True
False
7. Predation involves two organisms competing for the same food source.
True
False
Match the ecological relationship with its description.
8. Mutualism
a. One organism benefits, the other is harmed.
9. Parasitism
b. Both organisms benefit.
10. Commensalism
c. One organism benefits, the other is unaffected.
11. Provide an example of each type of symbiotic relationship (mutualism, commensalism, parasitism) based on the image below.
Mutualism:
Commensalism:
Parasitism:
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