According to Darwin's principle of antithesis, if an aggressive dog is growling in a low tone, how would a submissive dog respond?

A. By barking loudly

B. By growling in a low tone

C. By whining or yelping

D. By remaining silent

The correct option is C.

A submissive dog usually respond to the low growling of a dominant dog by whining while showing submissive body language. Whining is an involuntary gesture by dog, which it exhibits when expressing its emotion. Whining in dogs naturally accompany an anxious or fearful state of mind. Darwin's principle of antithesis states that certain actions usually natural accompany human state of mind, this is what happens when a dog whines because it is fearful or anxious or showing submission.