Species Coexistence Worksheet
Explore how different species coexist in ecosystems through various relationships like mutualism, commensalism, parasitism, and competition.
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Species Coexistence
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of how different species interact and coexist in an ecosystem.
1. Which type of relationship benefits both species involved?
Parasitism
Commensalism
Mutualism
Competition
2. A remora fish attaches to a shark and eats scraps of food that the shark leaves behind. The shark is not affected. What kind of relationship is this?
Mutualism
Parasitism
Commensalism
Predation
3. In a relationship, one species benefits while the other is harmed.
4. When two species need the same limited resources, they are in .
5. A shows how energy flows through an ecosystem by showing who eats whom.
6. All species in an ecosystem compete for the exact same resources.
True
False
7. A producer makes its own food, usually through photosynthesis.
True
False
8. Observe the food web diagram below. Identify one producer and one primary consumer.

9. Explain the difference between a predator and prey, and provide an example of each.
Match each term on the left with its definition on the right.
10. Mutualism
a. One species benefits, the other is harmed.
11. Parasitism
b. Both species benefit.
12. Commensalism
c. One species benefits, the other is unaffected.
13. Competition
d. Species fight for the same limited resources.