Water temperature drops rapidly between the euphotic zone and the abyssal zone of the ocean. This transition layer is called the ____.
A) thermocline
B) thermosphere
C) estuary
D) continental shelf decline
E) hydrocline

Question

Quizplus · Accepted Answer

The thermocline is the transition layer between the warmer, sunlit water of the ocean's euphotic zone and the colder, dark water of the abyssal zone. This layer is characterized by a rapid drop in temperature with increasing depth.

Water Temperature Drops Rapidly Between the Euphotic Zone and the Abyssal