Question

In chapter 1 you read that snakes do not have external ears. Can the snakes hear the been or
Does it dance when it moves? What do you think?

Answer 1

Hint: Snakes do not have external ears but they can hear vibrations with the help of internal ear present in their jaw bones. Snakes feel the sound waves and transfer it to the internal ear to respond. Snake moves its body in response to the sound waves obtained from it.

Complete answer:
The hearing ability of any organism depends on its ability to absorb vibrations from the environment.
Humans have fully formed eardrum which cause the movement of tiny bones and vibrations of tiny hair
cells in the inner ear. Snakes do not have eardrums but they have fully formed inner ear structures. The
the inner structure of the ear is directly connected to their jaw bone, which rests on the ground as they slither.
Most of the studies have said that vibrations traveling the ground such as footsteps of predators or prey
which causes vibrations in a snakes’ jawbone, relaying a signal to the brain via that inner ear. In this
vibration or sound heard by snakes.
 Snakes have mechanoreceptors throughout their body that enable snake to carry vibrations from sand
or soil. The skull of the snake vibrates when a sound wave hits it. Snakes can pick sound waves from the
air. Low frequency sounds are easily heard by snakes than higher ones. These impulses are then
transferred from the skull into the snakes’ inner ear. Brain sensed these vibrations. From this we can say
that snakes do not have external ears but they can hear the vibrations through the internal ear. After
detecting the vibrations snakes jaw bones can move in any direction. Due to this it appears as if snake is
really dancing on the sound of been

Note:
Snakes have sensitive vibratory reception that enables them to catch prey easily. They are incredibly
efficient hunters as they have finely-honed senses. These senses also help them to survive in vastly
different environments from desert floor to rainforest canopies. Some of the snakes act as pit vipers
They can detect prey based on thermal signatures.