Question

The three conditions that encourage the presence of marine life in the ocean are proximity to land, water depth and ___________.

Answer 1

He three conditions that encourage the presence of marine life in the ocean are proximity to land, water depth and exposure to sunlight.

Exposure to sunlight is important since sunlight promotes the metabolic activities of algae. If we look at the food pyramid for the aquatic ecosystem, the algae is in the lowest and therefore is basic necessity.