Answer:
You either are referring to the fish Chordate, or the animal classification. In the case of the classification it is literally any animal that has developed any sort of dorsal fin, for example some snakes can fall under this classification.
Answer:
iris - b
cornea - f
lens - e
retina - c
photoceptors - b
optic nerve - h ( definately know dis one)
rod cells - e
pupil - a
cone cells -g
i tried
Explanation:
Development is like if you go blind you will most likely develop a high sense of hearing
growth is you grow and get taller
so basically development you have to try and growth occurs mostly naturally
the importance of water is that it will make you survive and it will make you feel fresh
