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.
Glass lizards have moveable eyelids; snakes have no eyelids at all. Glass lizards also have ear openings, while snakes don't. And then there's the trait that earned the creature the glass moniker. Legless lizards, like most other lizards, can detach their tail when they need to.When threatened by a predator, one of the legless lizard's main defensive mechanisms is to separate its body from its tail. It leaves the tail behind -- still wriggling -- to distract whatever predator is after it, and then runs away.lass lizards also have ear openings, while snakes don't. And then there's the trait that earned the creature the glass moniker. Legless lizards, like most other lizards, can detach their tail when they need to.