[ 191 ] Life Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • The peppered moth lives in the in the United Kingdom and has both light and dark variations. During the Industrial Revolution (1760–1840), many of the trees on which the moths lived became covered with dark soot. Over a period of just 50 years, the population of peppered moths in Manchester, England, changed so that dark moths made up almost the entire population. After the Clean Air Act of 1956, the air quality changed and dark moths became rare. This is an example of ____________. Speciation provides evidence for the theory of _________. The body systems work together to stay in equilibrium or homeostasis. Which of the following is an example of the body trying to maintain homeostasis? A. weight gain B. bruising C. digestion D. shivering