Answer:
You drew this its not even a question
Explanation:
How do I answer this if theirs no question
Answer:
Hair cells are present inside the inner ear that acts as a receptor of sound. Researchers affirmed that once there is a damage to the hair cell, it can regenerate in birds.
Damage hair cell can lead to loud noise which in turn affect the ear. The supporting cells are present along with the hair cells. When the hair cells get damaged, the supporting hair cell gets the signal to start the process of regeneration.
Dorsal means back as in the back area. Example~ Many dolphins have a pronounced beak and all have a central dorsal fin and sharp teeth for feeding, mainly on squid and fish.
The main difference between sexual and asexual reproduction is whether it has one or two parents. Sexual reproduction involves two parents and asexual involves one.
Another is that a large number of progenies are produced with asexual reproduction but a limited number of progenies are produced with sexual.
