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.
Have you ever seen a gecko without a tail and wondered why? Lizards and other amphibians can lose their tail at-will and have the ability to regenerate and grow new ones. But why do lizards lose their tails in the first place and how are they able to grow back?