The coordination or coordinate bond, also known as a dative covalent bond or bipolar bond, is a covalent bond in which a pair of electrons shared by two atoms is contributed by only one of them. The atom that gives the pair of electrons is called the giver and the recipient, receiver.
The natural selection is the process by which the organism that best suits the characters will survive and the organism which cannot adapt the changes will die.
The predators feed on their prey and the organism which hides easily in the environment due to its color is safe and the animals that cannot camouflage will die.
This is natural selection that more favored character is carried out over generations and other that cannot survive die.
