The best explanation of what defines a multicellular organism, as opposed to a colonial one, is that:
A)a multicellular organism can exist and propagate as both a single-celled or a multicelled form.
B)a multicellular organism can only exist and propagate as a multicelled form.
C)a multicellular organism can only exist and propagate as a single-celled form.
D)a multicellular organism shows signs of cellular differentiation throughout its life cycle.

Question

Quizplus · Accepted Answer

A multicellular organism cannot exist and propagate as a single-celled form, while a colonial organism can. A multicellular organism is made up of specialized cells that work together for the survival and reproduction of the organism as a whole, and cannot function independently as a single cell.

The Best Explanation of What Defines a Multicellular Organism, as Opposed