Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
Answer:
there are plenty of things we can do to help build up the sea anemone population, but a few ways would be to either A) mate clownfish to reproduce, B) inform people the issue they're causing, or C) to ban clownfish buying/selling at stores.
pick whichever topic you like best!