Silva

Biology

14 October, 17:24

Volvox, the green algae illustrated here, is considered a colony. Yet some scientists argue that it is more like a multicellular life form. In order for a cell or group of cells to evolve into a multicellular organism, all BUT one of these events must occur. That is

A cells are bound together

B cells specialize and cooperate

C cells form a protective outer sheath

D cells have like pairs of chromosomes