The rock record indicates that photosynthesis began on earth about 3.5 million years ago.
a. true
b. false

I put true into the answer and it was wrong so it is actually FALSE.

The answer above is incorrect.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.