Classes Division of a phylum

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Presentation transcript:

Classes Division of a phylum Examples of classes of the phylum Chordata (See Phylum Chordata) Fish Aves Amphibia Reptilia Mammalia

Orders Division of a class Organisms in the same order are more closely related than those in any taxa above

Family Division of an order Names of this taxa usually end with the letters ae (Hominidae, Bovidae, Equidae, Felidae) Members of the Family Hominidae include orangutans, gorillas, chimpanzees, and humans.

Genus Division of family Example Homo - Humans are the only surviving members of this genus

Mammals Members of one Class of Phylum Chordata Characteristics Fur Warm-blooded Mammary glands

Special Groups of Mammals

Marsupials Pouched Mammals Short gestation periods; offspring continue developing after birth in the mother’s pouch Most live in Australia Examples include kangaroos, wallabies, koala, opossums (only one in North America), wombats and the Tasmanian devil

Monotremes Egg-laying Mammals Only echidnas and platypuses Live in Australia and New Guinea