Chapter 34: Vertebrates Flashcards
Long, muscular trunk; thick, loose skin; upper incisors elongated as tusks
Proboscidea
Elephants
Proboscidea
Aquatic; finlike forelimbs and no hind limbs; herbivorous
Sirenia
Manatees
Dugongs
Sirenia
Reduced teeth or no teeth; herbivorous (sloths) or carnivorous (anteaters, armadillos)
Xenarthra
Sloths, anteaters, armadillos
Xenarthra
Chisel-like incisors (hind legs longer than forelegs and adapted for running and jumping)
Lagomorpha
Rabbits, hares, picas
Lagomorpha
Teeth consisting of many thin tubes cemented together; eats ants and termites
Tubulidentata
Aardvark
Tubulidentata
Short legs; stumpy tail; herbivorous; complex, multi-chambered heart
Hyracoidea
Hyraxes
Hyracoidea
Chisel-like, continuously growing incisors worn down by gnawing; herbivorous
Rodentia
Squirrels, beavers, rats, porcupines, mice
Rodentia
Opposable thumbs; forward-facing eyes; well-developed cerebral context; omnivorous
Primates
Lemurs, monkeys, apes, humans
Primates
Sharp, pointed canine teeth and molars for shearing; carnivorous
Carnivora
Dogs, wolves, bears, cats, weasels, otters, seals, walruses
Carnivora
Hooves with an even number of toes on each foot; herbivorous
Cetartidactyla (Order: Artiodactyls)
Sheep, pigs, cattle, deer and giraffes
Cetartiodactyla (Artiodactyls)
Whales, dolphins, porpoises
Cetartiodactyla (Clade) Cetaceans (order)
Aquatic; stream-lined body; paddle-link forelimbs and no hind limbs; thick layer of insulating blubber; carnivorous
Cetartiodactyla: Cetaceans
Hooves with an odd number of toes on each foot; herbivorous
Perissodactyla
Horses, zebras, tapirs, rhinoceroses
Perissodactyla
Adapted for flight; broad skin fold that extends from elongated fingers to body and legs; carnivorous or herbivorous
Chiroptera
Bats
Chiroptera
Diet consists mainly of insects and other small invertebrates
Eulipotyphla
Core insectivores: some moles and some shrews
Eulipotyphla
Star-nosed mole
Eulipotyphla
What is the most basal taxon of mammals?
Lemurs, lorises and bush babies
