Answer: DEVELOPMENT
Development can be defined as the process by which an organism(plant, animal) with multiple cells(multicellular) is produced by addition of new cells.
In humans and animals, the stages when the egg is fertilised, is known as the Embryonic development.
Development is associated with growth which is the act of getting bigger in size, number, strength etc.
In humans and animals, the stages between the fertilisationn of the egg to adulthood involves growing in size, body size, bone size etc, number, number of cells, number of teeth, number of bones etc, and strength.
