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.
Hissing cockroaches are somewhat camouflaged to hide in dirt and soil. Hissing CockroachÂ¬esâ thorax (which hides the roachesâ tiny head) resembles the head of a larger, more intimidating animal such as a snake or lizard. AccompaÂ¬nied by a loud hiss this disguise is often enough to intimidate predators.