Question

what are the two ways that organisms on the bottom of deep sea food chains acquire energy? a. photosynthesis and chemosynthesis b. chemosynthesis and marine snow c. marine snow and photosynthesis d. chemosynthesis and predation please select the best answer from the choices provided

Explanation:

Photosynthesis requires light which is scarce in deep - sea. Chemosynthesis uses chemical energy to produce organic compounds. Marine snow, which is organic matter falling from upper layers, is a source of energy. Predation is not a primary way for bottom - of - the - food - chain organisms to acquire energy in deep - sea context.

Answer:

B. chemosynthesis and marine snow