Tarbosaurus skeletal mount at the Mesa Southwest Museum. Photo Â© Geb Bennett. The theropod (meaning beast-footed) dinosaurs are a diverse group of bipedal saurischian dinosaurs. They include the largest terrestrial carnivores ever to have made the earth tremble. What most people think of as theropods (e.g., T. rex, Deinonychus) are extinct today, but recent studies have conclusively shown that birds are actually the descendants of small nonflying theropods.
Education Requirements. To gain an entry-level job in marine biology, you need to have a Bachelor of Science degree in marine biology or a related field such as biochemistry, biology, botany, ecology, microbiology or zoology.
Rating Newest Oldest. Best Answer: You can become a marine biologist or an oceanographer with just 4 years of college. What I would suggest if you are really interested in this field is to volunteer every chance you get.eport Abuse. Four years of undergrad. After that you can be a marine biologist... but you need three or four years of grad school to get your doctorate.