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.
The lizard can use these scent âcluesâ to find food or a mate or to detect enemies. Lizards donât have earflaps like mammals do. Instead, they have visible ear openings to catch sound, and their eardrums are just below the surface of their skin. Even so, lizards canât hear as well as we do, but their hearing is better than that of snakes.