2. something that holds up progress, esp of a manufacturing process. 3. (Pop Music) music. a. the broken-off neck of a bottle placed over a finger and used to produce a buzzing effect in a style of guitar-playing originally part of the American blues tradition. b. the style of guitar playing using a bottleneck.
How long does it take to become a marine biologist? Marine biologists must complete at least a bachelorâs degree, which takes about four years. Marine biologists who pursue masterâs degrees may take an additional two to three years to complete their education, and earning a PhD will take up to six years more.
Learn how to become a marine biologist. Research the education and career requirements, training information, and experience required for starting a career in marine biology.arine biologists must have knowledge in biology, chemistry, physics, geology and ecology. There are many areas of specialization, ranging from animal behavior to marine biotechnology. Some marine biologists focus on a particular species or geographic region.