Slide Images: A collage of three photographs showing the diversity of ocean organisms. The top left photo shows a community of deep-sea hydrothermal vent life forms: crabs, and tubeworms. The bottom left photo shows a dense bed of brittle stars. The photo on the right shows a kelp forest

Credit: Richard A. Lutz, Rutgers University, and Stephen Low Production; Woods Hole Oceanographic Institute (top left). NOAA (2)