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 main feature separating lizards and snakes is not that lizards have legs and snakes don't. After all, some lizards, such as the California Legless Lizard, Anniella pulchra, have no legs, while among snakes members of the Boa and Python family bear vestigial hind legs in the form of spurs on their rear ends.The main thing separating lizards from snakes is also one of the snakes' most important adaptations.he main feature separating lizards and snakes is not that lizards have legs and snakes don't. After all, some lizards, such as the California Legless Lizard, Anniella pulchra, have no legs, while among snakes members of the Boa and Python family bear vestigial hind legs in the form of spurs on their rear ends.