Animals that are most active at dusk and at dawn may make use of visual displays. These signals tend to rely heavily on
A) color.
B) contrast.
C) rapid transmission.
D) repetition.

Question

Quizplus · Accepted Answer

Animals active at dusk and dawn (crepuscular animals) rely on visual displays that emphasize contrast rather than color, due to the low light levels during these times. Contrast is more discernible in low light conditions, making it an effective means of communication.

Animals That Are Most Active at Dusk and at Dawn