AN UNBIASED VIEW OF ANIMAL FANS

a : one of several lessen animals as distinguished from human beings b : mammal broadly : vertebrateAs with the dominant vertebrates, fish dominated the aquatic habitats. Main predators consist of elasmobranchs during the seas and Xenacanthida in freshwater. Arthropods on land continued to evolve. A number of them grew into giantsAnimals for a clas