Identifying Conditions for Natural Selection Which conditions are necessary for natural selection? Check all that apply. Populations do not have genetic variation. Populations have genetic variation. The environment changes. The environment stays the same. O Organisms must have specific traits in order to survive and reproduce. O Organisms with any traits will survive and reproduce.

We are not able to see the stars. light prevents our seeing the stars. i hope it kinda : )

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 : -)