Table of Contents (click to expand)The Deep And Dark Ocean: A Hostile EnvironmentChemosynthesis: A Lightless ProcessChemosynthesis Chemistry: How It WorksDead Matter From Above: A Lifeline From The SurfaceConclusion The deep sea lacks plant life, which would require sunlight to make food. However, even without the sunlight that fuels life on the surface of the Earth, deep sea creatures have adaptations that allow them to make this habitat their home, including those for hunting, feeding on de...