Do you enjoy spending time at the beach or shore? Do you like taking a boat out onto open water to view the wildlife? You might make a fine marine biologist! Marine biologists immerse themselves in nature to study life in Earth's seas, as well as the seas themselves. Marine biologists might earn a degree in marine biology, or they may have a degree involving biology, zoology, ecology, or even botany. Inside this informative guide, readers learn about the skills and training needed to become a marine biologist and describes what that career entails. Vibrant photographs show marine biologists at work in and around Earth's oceans.