Ecosystem Interactions Worksheet
Explore the complex relationships between living organisms and their environment with this Grade 7 Science worksheet on Ecosystem Interactions.
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Ecosystem Interactions Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your knowledge of ecosystem interactions.
1. Which of the following best describes an ecosystem?
All the living organisms in a particular area.
All the non-living components in an environment.
All the living and non-living components in an area interacting with each other.
A group of the same species living together.
2. What is the primary role of a producer in an ecosystem?
To consume other organisms for energy.
To break down dead organic matter.
To produce their own food using sunlight or chemicals.
To regulate the population of other organisms.
3. A shows how energy flows through an ecosystem by illustrating who eats whom.
4. Organisms that feed on dead or decaying organisms are called .
5. Observe the food web below. Identify one producer, one primary consumer, and one secondary consumer.
Producer:
Primary Consumer:
Secondary Consumer:
6. Commensalism is a type of symbiotic relationship where both organisms benefit.
True
False
7. Competition occurs when two or more organisms require the same limited resources.
True
False
Match each term with its correct definition.
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. Describe an example of a symbiotic relationship that you learned about, and explain why it fits that category.
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