Refer to the Figures Below

Multiple Choice

Refer to the figures below. Chlamydomonas and Volvox are two algal genera in the phylum Chlorophyta.Which feature present in Volvox and absent in Chlamydomonas do scientists use as evidence to support their thinking about how multicellularity evolved?

A) The ability to carry out photosynthesis
B) The ability to propel themselves through their environment
C) The ability of a cell to have more than one cellular phase
D) The ability of a cell to work cooperatively with other cells
E) The ability of a cell to change its function