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.
10 Things You Didnât Know About Chameleons. Any animal that can change colours and look in two directions at once is worth learning more about. Armed with a tongue you have to see to believe, the chameleon may be one of the coolest reptiles on the planet.. Colour Changing. Most chameleons change from brown to green and back, but some can turn almost any colour. A change can occur in as little as 20 seconds. Chameleons are born with special cells that have a colour or pigment in them.