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Organism Relationships Worksheet
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Organism Relationships Worksheet
📚 Part 1: Multiple Choice
1. What type of relationship exists when a lion hunts and eats a zebra?
Mutualism
Predatory
Commensalism
Competition
2. In which relationship do BOTH organisms benefit?
Parasitism
Mutualism
Commensalism
Predatory
3. When two animals fight over the same food source, this is called:
Mutualism
Parasitism
Competition
Commensalism
4. A tick living on a dog is an example of:
Mutualism
Parasitism
Commensalism
Competition
🔍 Part 2: Examples and Definitions
5. Fill in the blanks:
In commensalism, one organism _____________ while the other is _____________ harmed nor helped.
6. Give an example of mutualism in nature and explain how both organisms benefit:
7. Check all the examples that show parasitism:
A flea living on a cat
A bee pollinating a flower
A tapeworm in a human's intestine
Two lions fighting over a kill
8. Explain the difference between predatory relationships and parasitism:
🎯 Part 3: Apply Your Knowledge
9. A bird builds its nest in a tree. The bird gets shelter, but the tree is not affected. What type of relationship is this?
Answer: ____________________
10. Create your own example of competition between two organisms:
11. Draw and label an example of mutualism in the box below:
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