1. Symbiotic Relationships Quiz
Unit 3: Interdependence –
The Web of Life

2. Question 1 Which of the following is true?
A. Prey are animals that hunt and eat other animals.
C. Consumers make their own food through a process called photosynthesis.
B. Carnivores eat plants. Herbivores eats animals.
D. Herbivores eat plants. Carnivores eats animals.

3. Question 2 Which of the following is an example of a parasite/host relationship?
A. clownfish lives among the forest of tentacles of an anemone and is protected from potential predators
C. A bear eats a fish.
B. cleaners eat insect pests from the skin of animals
D. spider mites suck sugar from plants

4. Question 3 Which of the following is an example of a commensal relationship?
A. Birds eat berries and the plant benefits by the dispersal of it seeds.
C. An anole eats insects.
B. A remora attaches itself to the underside of a shark and feeds upon leftovers from shark’s meals.
D. Venus flytrap plant eats insects with their leaves.

5. Question 4 Which of the following is an example of a mutual relationship?
A. Herbivores such as cows, sheep, deer, horses and rabbits depend on bacteria that live in their stomachs to break down the plant material.
C. fleas that live in a host animal's fur
B. egrets hunt for insects near a grazing animal's mouth
D. mosquitoes feeding on a human

6. Question 5 What do you call an animal that eats another animal?
A. producer
C. host
B. predator
D. prey

7. Question 6 What do we call the relationship in which one organism benefits and the other is harmed but usually not killed?
A. commensalism
C. predation
B. mutualism
D. parasitism

8. Question 7 Which of the following is not a symbiotic relationship?
A. mutualism
C. predation
B. Parasitism
D. commensalism

9. Bonus Question Which of the following is NOT a commensal relationship?
A. birds that lives in holes in trees
C. bees and hummingbirds gather nectar and spread pollen
B. a shrimp riding on a sea slugs
D. barnacles attach to shells or whales

10. End of quiz

11. Key
1) D
2) D
3) B
4) A
5) B
6) D
7) C