Modern geologic evidence indicates that the ocean bottom is moving at a rate from about one-half to six
inches a year through a process called plate tectonics.
All of the land masses were grouped together into one vast supercontinent called Pangaea.
Does captivity affect the overall health of a marine animal?
In captivity, wild-caught marine mammals gradually experience the atrophy of many of
their natural behaviors and are cut off from the conditions that allow