Where do dolphins live?:
Tooth whales exist in all oceans in the world and even in freshwater. Every art has there own special demand on their environment they only live in an area that can supply there needs. The oceans can seem can seem the same to humans but under the surfice it can be very diffrent from other oceans. Temepraure, salt concentration, light, streams and nourishment avilability can be diffrent. The bottom can also look diffrent, there can be high mountains, deep valleys, and long plains.
How do Dolphins sleep?
Many wonder how dolphins can sleep at night without drowning. The sientists think that when a dolphin is asleep only half of the brain rests. While the other half of the brain keeps essenital functions running.
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