1 Heredity: All living things have DNA and genetic information codes the structure and function of all cells. 2  Equilibrium: All living things must maintain homeostasis, a state of balanced equilibrium between the organism and its environment. 3  Evolution: This is the overall unifying concept of biology.
Bicolor crested geckos are generally patternless but with a slightly darker â sometimes lighter â color on their dorsal (top of head and back). Bi-color is usually seen in red, orange, olives and buckskins.Some bicolors have a hint of a pattern on the dorsal, but lack the cream of flame morphs (see below).hink of crested gecko morphs as dog breeds â when you breed dogs from two different breeds together, you do not have a 25% chance of getting a full Labrador or Pug and 50% chance of getting Labs that carry Pug genetics.
Table of Contents. 1  Leopard Gecko Introduction. 2  Leopard Gecko History. 3  How Big Do Leopard Geckos Get.  How to Tell How Old A Leopard Gecko 1  Is. How Long Do Leopard Geckos Live.  Leopard Geckos As 1  Pets. Finding the Sex of A Leopard 2  Gecko. Interesting Leopard Gecko  Facts.