a small slice of the pie compared to the vast span of time in which the oceans have nurtured life. And even today, although living things now exist on nearly every part of the Earth's surface, in so many different forms, the ocean continues to be critically important to life on Earth....
. Pour two cups of water into the container and add a few drops of blue food coloring. Shake the container. Add ½ cup of vegetable oil. The oil will rise to the surface. Add a fish, a plastic boat, and any other tiny objects you may have that represent marine life. Use hot ...
The beluga’s compact body shape suits its arctic lifestyle. Belugas are warm blooded, yet have to survive in temperatures as low as -32°F (0°C). The beluga’s compact body shape reduces its surface area, thereby slowing heat loss. A thick layer of outer fat calledblubberprovides furth...