It is kind of a strange question but by the process of elimination, I would go with petrification.
Its called petrified wood.
hope I Helped
Answer:
Phytoplanktons are photosythetic organisms found near ocean surface and provide food to a wide variety of sea creatures like whale, shrimp, jelly fish etc. They also rely on nutrients such ad nitrates, phosphate for their development. They maintain a balance ecosystem and food web in ocean.
0.1% of our genome makes us unique
Hope this helps have a great day!!!!