The Two-Legged Reptile That Hears With Its Skin

The video explores the diversity of species and convergent evolution, focusing on squamates and the Mexican mole lizard. It discusses the evolutionary relationships among squamates, highlighting the unique adaptations of the Mexican mole lizard for burrowing and its distinct hearing mechanism. The Mexican mole lizard is presented as a unique example of convergent evolution, combining traits from moles, lizards, and snakes.

What is an example of convergent evolution mentioned in the video?

• The development of fur in mammals

• Carcinization in crustaceans

• The formation of coral reefs

• The evolution of wings in birds and bats

How are amphisbaenians taxonomically classified in relation to lizards and snakes?

• They are more closely related to birds

• They are a separate group unrelated to lizards and snakes

• They are a type of lizard

• They are a type of snake

What unique feature helps the Mexican mole lizard move efficiently underground?

• Its long tail

• Its ability to fly

• Its back legs

• Its front legs

What is concertina locomotion?

• A way of swimming

• A type of movement involving bending and straightening the body

• A method of flying

• A form of jumping

How does the Mexican mole lizard hear without external ears?

• Through its skin

• Through its nose

• With its eyes

• Using its tail

What distinguishes the Mexican mole lizard's hearing from that of other amphisbaenians?

• It has external ears

• It cannot hear at all

• It relies on an inward fold of skin

• It uses an elongated extracolumella

What is a unique feature of the Mexican mole lizard's appearance?

• It has bright blue scales

• It has a pink, earthworm-like appearance

• It is covered in feathers

• It has a long, furry tail