1. What do you call the interaction when both individuals benefit? *
A. Predation
B. Mutualism
C. Competition
D. Commensalism

2. In commensalism, which of the following statements is true? *
A. When one organism benefits and the other isn’t helped nor harmed
B. When both individuals benefit
C. Where one organism lives on or in another organism and harming it
D. When more than one organism tries to obtain the same basic resources in the same habitat

3. What do you call an interaction where one organism lives on or in another organism and harms it? *
A. Predation
B. Parasitism
C. Mutualism
D. Competition
4. Which an example of parasitism? *
a. tiger and deer
b. cat and mouse
C. orchid on a tree
D. lice in human's hair

5. What do you call interaction between people and mosquitoes? *
A. Predation
B. Parasitism
C. Mutualism
D. Competition​