Answer:
This method is used for separating bran from flour, sand from gravel, pearls of different sizes, etc. Winnowing:The process of separation of lighter particles from heavier particles; with the help of wind; is called winnowing. This method is also used for separating grains from husk.
sensory functions are found on the head of an insect , they have a single pair of antenna , mouthparts adapted for chewing or sucking.
meisos is a cell division that produces 4 daughter cells of each parent, as in plants..
I think but I do not know it refered to as being repetitive
