All birds have feathers, and are the only animals that do! 1  Feathers provide protection (from weather and injury). 2  Feathers serve as insulation from cold and heat. 3  Feathers help birds attract mates.
A) John. B. Watson B) Edward Tolman C) Ivan Pavlov D) B. F. Skinner Ans: B Difficulty: Difficult Page: 26 Section: The Neo-Behaviorism of Edward Tolman 67. The idea that rats have a cognitive map of a maze is supported by the finding that rats: A) only learn to navigate the maze if a food reward is given at the end....
Eleven years after the military design, Douglas Engelbart became the father of the modern mouse. He developed a gadget made with a wooden base using two wheels to roll back and forth. It was the first mouse that could fit into a user's hand. (Image courtesy of DVICE).