Many organisms in the ocean live at depths of water not able to receive sunlight. Since the main marine food web is based on these organisms, how are deep ocean ecosystems able to survive? Question 3 options:
A:Many of the deep ocean animals come to the surface to consume organisms. B:Deep ocean animals are fueled by chemical energy rather than products of photosynthesis.
C: These deep ocean animals rely on organisms that have died and sank to the bottom of the ocean.
D: These deep ocean organisms are able to produce their own energy even in the absence of sunlight.