Choose the correct statement about animals:

A. The two advantages terrestrial animals have over aquatic animals are that there is more sunlight and oxygen on land than in water.
B. Arthropods and Vertebrates started living on land about the same time, 600 million years ago.
C. There are millions of Vertebrate species but about 60,000 Arthropod species.
D. There are millions of Anthropod species but about 60,000 Vertebrate species.
E. None of the above statements is correct.