The answer to your question is


The lateral line system is found in fish and is used to feel a vibration, movement, and pressure in the water. These senses are derived from the epithelial tissue which reacts to the movement near the fish.
Hope this helps!
Stimulating glycogen breakdown
meisos is a cell division that produces 4 daughter cells of each parent, as in plants..
The food chain would most likely collapse slowing, without a producer other animals cannot get the needed nutrients required to survive.