Presents information on the physical characteristics, behavior, habitat, various species, and life cycle of sea turtles, along with a discussion of their endangered status and the efforts being made to study and conserve them.
Describes the physical characteristics, feeding and mating habits, and defense mechanisms of octopuses, and gives information about other cephalopods, including the squid, the cuttlefish, and the chambered nautilus.
"Provides information on plankton-feeders including whale sharks, basking sharks, hammerheads, and manta rays, and shares a shark diver's experiences searching for and photographing them"--
Photographs and text show the undersea world of coral reefs, explaining how they are formed and what types of creatures live in their protective mazes. Includes discussion on the effects of pollution, overfishing and population on the reefs.
Photographs and text provide information about the variety of ocean-dwelling creatures known as zooplankton, with discussion of the importance of these animals to the ocean food web.
Follows marine photographer Bill Curtsinger as he dives under the ice at Antarctica to learn about the plants and animals that thrive in this extreme habitat.
Discusses the microscopic organisms known as phytoplankton and the important functions they serve in replenishing earth's atmosphere, in the marine food chain, and more.