1 Program Levels: Bachelor's, master's and doctorate. 2  Program Specializations: Options include ecology and wildlife sciences. 3  Program Length: A bachelor's normally takes 4 years.  Other Requirements: At the graduate level, practicums and thesis projects must be completed for graduation.
BananaStock/BananaStock/Getty Images. Lizards puff their necks for a number of reasons. Whether they're trying to get attention from you or a or to intimidate another lizard, it's a normal part of lizard behavior. Learning why lizards puff their necks can help you better care for your pet.
Lizard Penises Evolve at Super-Speed. The hemipenis of the lizard Anolis grahami. Lizards and snakes have a pair of these penislike tubular structures that retract when not in use; they use only one at a time when mating, according to biologist Julia Klaczko of the University of Campinas in Brazil.