The relationship between the insect hormones ecdysteroid and PTTH is an example of ________.
A) an interaction of the endocrine and nervous systems
B) homeostasis achieved by positive feedback
C) homeostasis maintained by antagonistic hormones
D) competitive inhibition of a hormone receptor

Question

Quizplus · Accepted Answer

Ecdysteroid and PTTH (Prothoracicotropic hormone) exemplify the interaction between the endocrine and nervous systems in insects. PTTH, produced by the brain, stimulates the prothoracic glands to produce ecdysteroid, a key hormone in molting and metamorphosis, showcasing a direct link between these two systems.

The Relationship Between the Insect Hormones Ecdysteroid and PTTH Is