Mammals 0.0 / 5 ? BiologyMammalsUniversityNone Created by: ppogbaCreated on: 19-07-19 16:22 How many species are in Class Mammalia? 4500 species. 1 of 20 Mammalian diversity is represented in what 3 major groups? Prototheria, Metatheria and Eutheria. 2 of 20 What group of animals are the Prototheria? Give examples. Monotremes. platypus, echidna. 3 of 20 What group of animals are the Metatheria? Marsupials (pouched mammals) 4 of 20 What type of animals are found in the group Eutheria? placental mammals. 5 of 20 Name the 4 major lineages based on molecular data from the group Eutheria. Afrotheria, Xenarthra, Laurasiatheria, Boreoeutheria. 6 of 20 In Afrotheria, name the order that contains elephants. Proboscidea. 7 of 20 Order Sirenia from the Afrotherians contains what? Manatees 8 of 20 Superorder Xenarthra contains what animals? sloths, anteaters, armadillos. 9 of 20 In Laurasiatheria, order Eulipotyphla contains what? How many species? Core insectivores-moles, shrews, hedgehogs. 375 species. 10 of 20 What order in Laurasiatheria contains bats? How many species? Chiroptera. 925 species. 11 of 20 Chiropterans can be Megachiroptera or Microchiroptera. What do these mean? Megachiroptera- fructivores. Microchiroptera- echolocation, insectivores. 12 of 20 What order contains cats, dogs, seals and bears? Carnivora 13 of 20 What group from Laurasiatheria contains sheep, pigs and deer? How many species? Artiodactyl 14 of 20 What is the difference between antlers and horns? Horns aren't branches and aren't shed. Antlers do shed and are branched. 15 of 20 What group from Laurasiatheria contains whales? Cetaceans. 16 of 20 What group from Laurasiatheria contains horses and rhinos? Perissodactyla 17 of 20 From the boreoeutherians, what order contains rabbits and hares? How many species? Lagomorpha. 80 species 18 of 20 How many species in order Rodentia? 1770 species 19 of 20 What is caecotrophy? food passed through body twice. 20 of 20
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