Description The oceans are our planet\'s most distinctive and imposing natural habitat.
In an era in which humans are significantly altering the global environment, the oceans are undergoing rapid and pro.
They cover 71 percent of its surface; support a remarkably diverse and exquisitely adapted array of life forms, from microscopic viruses, bacteria, and plankton to the largest existing animals; and possess many of Earth\'s most significant, intriguing, and inaccessible ecosystems.
Description The oceans are our planet\'s most distinctive and imposing natural habitat