I’m gonna guess gene mutations is the answer
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.
Carolus Linnaeus
All modern classification systems have their roots in the Linnaean classification system. It was developed by Swedish botanist Carolus Linnaeus in the 1700s. He tried to classify all living things that were known at his time
Photosynthesis takes place in chloroplasts. It converts the sun's energy into usable "food" for the plant. It converts carbon dioxide and water into organic molecules, releasing oxygen. Hope this helps!
