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.
Why Chameleons Change Color. There are lots of reasons chameleons change colors. They can't turn polka-dotted, bright orange or even plaid, to fit into their surroundings. Light, temperature, mood and health are all reasons these lizards change colors. Lights reflect off of them, changing their color.A chameleon will also make itself flat and dark so it can absorb more heat.ight, temperature, mood and health are all reasons these lizards change colors. Lights reflect off of them, changing their color. A chameleon will also make itself flat and dark so it can absorb more heat.