13. Pseudoscorpions often hitch rides on the backs of
large beetles or true bugs. What is the ecological
relationship?
C. Parasitism
A. Mutualism B. Commensalism
D. Cooperation

14. An animal that feeds on what another animal has
killed is known as a:
A. Scavenger B. Mutualist C. Decomposer D. Parasite

15. An animal that hunts and consumes other organisms
is known as a:
A. Prey B. Decomposer C. Predator D. Commensals

16. The organism that is hunted and eaten in a particular
feeding relationship is known as:
A. Predator B. Decomposer C. Prey D. Autotroph

17. What term best describes the intestinal worms in the
cow's body?
A. Host B. Predator-prey C. Competition D. Parasite

18. Cows and goats both eat the same types of food in a
grassland. What is the ecological relationship?
A. Cooperation B. Parasitism C. Commensalism
D. Competition
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