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define Pygopodinae, Dibamidae, Amphisbaenia and Serpentes. Your definition shoul

ID: 266206 • Letter: D

Question

define Pygopodinae, Dibamidae, Amphisbaenia and Serpentes. Your definition should include at least two synapomorphies, information on diet, Zoogeographic distribution, estimated number of species and where you would place them within the Lepidosaurs. Why do you think limb reduction or loss is so prevalent in Squamates. What Is the mechanism for front limb loss in Squamates? For hind limb reduction? What are some benefits of limblessness? What is a squamate scale. Be able to draw and label a squamate scale.

Explanation / Answer

pygopodinae have no fore limbs at all and they possess vestigial hind limbs in the form of small flattened flap have defensive behaviour and they are insectivorous burrowing animals but other adapted to moving through dense spinifex or other vegetation.Dibamidae legless birds and insectivorous lizards with long and slender body adapted to burrowing soil.Amphisbaenia are legless squamates Internally, their right lung is reduced in size to fit their narrow bodies, whereas in snakes, it is always the left lung. Their skeletal structure and skin are also different from those of other squamates.Serpentes are legless carnivores and ectothermic