They all breathe oxygen
Their body is full of water
Hope this helped :D
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits
Identical twins are formed through the process of meiosis where a fertilised egg separates to form two identical cells with a common genetic information.
Fraternal twins on the other hand are developed from the fertilisation of two different eggs and two sperm cells. This type of twins possess unique genetic information.
