👉 Prototrophy is a scientific concept in developmental biology that refers to the process by which organisms develop from an embryo. In simple terms, it describes how cells grow and multiply in response to environmental stimuli. The theory suggests that this growth can occur without the need for a complete organism, as long as there are enough nutrients and other factors to support the cell division and growth processes. Prototrophy is often associated with the development of multicellular organisms, such as plants, animals, and fungi.