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.
Geckos are carnivorous reptiles so the diet of the gecko is based on meat from other animals. Geckos primarily eat insects and worms, but some of the larger species of gecko hunt small birds, reptiles and even small mammals such as mice.he largest species of gecko is the Delcourt's gecko (which is now believed to be extinct), native to New Zealand and it grows to nearly 60 cm in length.