What is the most likely outcome of a disease that kills off the long-spined sea urchins on a reef?
A. Staghorn coral cover will increase.
B. Star coral cover will increase.
C. Sponge cover will increase.
D. Algae cover will increase.

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 : -)

Stimulates weight gain, so you put on excess weight

Your answer is b asexual reproduction