Relaxing on the beach, alice put her towel flat on her picnic blanket and the towel are both rectangular, with the towel completely on the blanket, and the perimeter of the picnic blanket is 7 meters. each of the towel's edges are 50 centimeters away from the edge of the picnic blanket. what is the perimeter of the towel?

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.