In Volvox, which of the options is true regarding the thallus organization. (a)Multicellular and coccoid (b)Colonial and motile (c)Unicellular (d)Colonial and non-flagellate
Option B When the number and arrangement of cells are determined at the time of origin and remain constant during the life span of the individual colony, such colony is termed coenobium. Each mature Volvox colony is composed of numerous flagellate cells similar to Chlamydomonas, up to 50,000 in total, and embedded in the surface of a hollow sphere or coenobium containing an extracellular matrix made of a gelatinous glycoprotein.
