Chameleons have a long tongue used to catch insects. The five toes on each foot are bound in two separate groups: one group of two toes and one group of three toes. This allows chameleons to grasp onto branches. Chameleons also have a flexible tail they use to hold onto branches, and they can change the color of their skin to communicate with other chameleons and for camouflage. Which statement about chameleons refers to the expression of a trait that is most influenced by the environment? The chameleon has one of its two groups of toes around a branch. The chameleon’s flexible tail is grasping a twig. The chameleon’s long tongue is curled in its mouth. The chameleon has skin that turned brown-red.

The chemeleon is reptile which survive on both ground and tree habitat. They change in color of skin to communicate with other chemeleons and for camouflage. It changes it color for it's survival. The change in color facilitate the predator-prey interactions. Chameleon can change their color with respect to the substrate in which they are living like on tree bark they will have brown color to hide themselves, from predatory animals like cats or they may remain hidden for insects species which cannot observe them on tree bark hence, will be helpful in trapping their prey. In grass they will acquire green color to mimic the color of grass and not being caught by birds and can feed on insects there. Therefore, skin color is a trait which is expressed with the influence of the environment.