A．To explain why many people do not understand the concept of blind spots.
B．To explain the origin of a concept that is used in the study of cognition.
C．To illustrate how visual blind spots interfere with perception.
D．To show how visual perception works.
A．It is inadequate for accurately predicting future events.
B．It is difficult to study with experiments.
C．It is a process that is unrelated to perception.
D．It is a relatively new area of study in cognition.
A．It competes with CoT starfish for food.
B．Its shells provides habitat for CoT starfish.
C．It can repair coral that has been damaged by CoT starfish
D．It is a predator of CoT starfish.