When a plant forms new tissue at the tips of its roots and Stems, this new tissue growth is a direct result of Cell division.
the answer is Insertion mutation :)
(search up "types of mutations")
1) Enzyme activity
2) Cell to cell recognition
3) Cell signalling
4) Transport Materials.
Hope this helps! :)
Https://www.amnh.org/exhibitions/permanent/planet-earth/why-is-the-earth-habitable/life-that-lives-off-the-earth-s-energy/life-at-the-hydrothermal-vents
Hope this helps!