Do turtles have backbones?

Answered by Alana Jensen, Environmental Educator, INL ESER Program Turtles and tortoises are the only reptiles with tough, bony shells. The shell has an outer layer of scutes made of hornlike material called keratin and an inner layer of bony plates. There are two parts to the shell of a turtle: the upper portion is…

If pronghorn winter diet is close to 100% sagebrush, how do they process the terpenoid oils in the plant when other browsers can’t?

Question answered by Dr. Jericho Whiting, Biology Professor, BYU-Idaho Sagebrush provides a ready source of winter nutrition for pronghorn, because of its nutritional quality and relative availability on sagebrush-dominated winter range used by these ungulates. Three adaptations by pronghorn allow them to eat sagebrush in winter. First, pronghorn are opportunistic herbivores. As such these animals are able to…