Answer:
I believe it is Anaphase 1
Explanation:
Anaphase is the stage of meiotic or mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle. This is the process that separates the duplicates genetic material carried in the nucleus of a parent cell into two identical daughter cells.
Caverns most commonly form in limestone
Fro the answer to the question above,
<span>Based on fossil evidence, eukaryotes evolved about <u>2.1 billion</u> years ago</span>.
<span>Approximately the first single-celled Eukaryotes appeared 2.1billion years</span>.
But the multicellular eukaryotes first appeared at 1.5 billion years ago.
I hope this helps
It is surrounded by it's environment.