Biology of Mammals Spring 2014 Study Guide Quiz 3 Synapomorphies of Chiropterans Wing morphology – how is it related to environment and flight? What led to the traditional distinctions between Mega-­‐ and Micro-­‐ Chiropterans What did the fossil of Onychonycteris finneyi reveal about bat evolution – the origin of light and the timing of echolocation vs. flight Synapomorphies of Pteropodidae What is the relationship between testes size and roost size in fruit bats? Synapomorphies of Microchiropterans What about bats make them especially vulnerable? Why are rodents so successful? Synapomorphies of rodents What are the main upper and lower jaw morphologies in rodents and how does it reflect jaw muscle specialization? What are the three body morphs of members of Sciuridae? What are differences between Old World and New World porcupines? Families are included in the Order Lagomorpha Synapomorphies of Lagomorphs Differences between rabbits and hares Synapomorphies of Order Pilosa Adaptations for feeding on social insects Differences & similarities between three-­‐ and two-­‐ toed sloths Embryonic Diapause Primate synapomorphies Hypotheses for the evolution of these shared traits Suborders and Infraorders in Primates and differences between them What is interesting about the number and diversity of lemurs in Madagascar Synapomorphies of Hominoidea Traits associated with bipedalism in humans