medical root words. medical dictionary online. Many terms frequently used in science and medicine are derived from latin words. By combining the root words with, prefixes and suffixes many of the meanings of the terms can be deciphered. Use the following resources to better understand medical terms: Medical Roots or Stems.
How Chameleons Change Color. In addition to being responsive to light, chameleons change color when they are frightened and in response to temperature and other environmental changes. Hormones that affect special pigment-bearing cells in the skin cause the color change.
They are adaptive. Just as chameleons change color to match their surroundings â green when sitting on leaves, brown when climbing the tree's trunk â your grandparents learned the skills to keep up with the world around them. The opposite of adaptive is stubborn. People, lizards, or anything that refuses to change are stubborn.