In Chemistry, Dynamic Equilibrium refers to a state of balance in between two forces in motion. It exists once a reaction which is reversible ceases to change its ratio of the reactants but the substances move at an equal rate in between the chemicals.
During the process of photosynthesis the plant would use carbon dioxide, sunlight and water in order to produce and release sugar and oxygen back into the air.
Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes, which is less than one percent of the total are slightly different between people.