Based on the graph below, which of the following statements is most accurate?
A. Prior to 33 days the population of medium aliens was decreasing.
B. After 33 days the population of medium aliens was decreasing.
C. After 33 days none of the aliens changed form.
D. After 33 days the total number of aliens in each state was unchanged.

The  pelagic  region is divided into three zones. the top zone is the euphotic or sunlit zone. this is the ocean zone that sunlight penetrates. because this zone gets sunlight, photosynthesis can occur and plants can grow here.sub  zones. the oceanic zone is subdivided into the epipelagic,  mesopelagic, and bathypelagic zones. the epipelagic (euphotic) zone, also called the sunlit zone, receives enough sunlight to support photosynthesis.your question does not include multiple choice,but i can give you some info on what the 3 zones hope this : -)