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.
Natural History. The crested gecko is known by a handful of other common names including the New Caledonian eyelash gecko, or sometimes simply as eyelash geckos. These arboreal geckos are found in small numbers in New Caledonia and a few surrounding islands, but nowhere else on Earth.atural History. The crested gecko is known by a handful of other common names including the New Caledonian eyelash gecko, or sometimes simply as eyelash geckos. These arboreal geckos are found in small numbers in New Caledonia and a few surrounding islands, but nowhere else on Earth.