The answer is B- Vibrate <span>with the frequency of the received sound.</span>
This is probably to increase blood supply in the intestines. Blood is a transporter of digested food materials.
The main difference between the organisms are the uses of the appendage and the size and number of certain bones. The human arm is used for a variety of functions while the lizard's and the cat's are used for walking an climbing, the whale's for swimming, the frog's for support and the bird's and the bat's for flying.
The answer is <u>High </u><u>Mountain</u> <span />
