A. Volvox
B. paramecium
C. euglena
D. chlamydomonas
Correct Answer:
Option A – Volvox
Explanation
Volvox is an example of organism that forms spherical colonies of up to 50,000 cells.
A colony is composed of two or more individuals living in close association with or connected to, one another, usually for mutual benefits such as stronger defense or the ability to attack bigger prey.
It is a cluster of identical cells (clones) on the surface of (or within) a solid medium, usually derived from a single parent cell.
