A mouse freezes when it sees a cat nearby. This assists the mouse's survival because being motionless reduces _____.
A) the attention-attracting effect of motion
B) the effectiveness of camouflage
C) the levels of stress hormones
D) the pheromones the mouse gives off
Question 2
Theories are designed to
a. test research hypotheses.
b. falsify existing laws.
c. summarize and make predictions.
d. be tautological.