Electromagnetic receptors are sensory receptors that allow animals to detect electromagnetic waves, such as visible light. In animal eyes, there are several different types of electromagnetic sensors called rods and cones. The table shown here contain information about rods and cones.

answer: c.

explanation:

true                                                                                                       true true true true true true

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.