Which traits are characteristic of multicellular organisms? Choose all answers that are correct.
a. different cells for different functions
b. develop into specialized cells after they are formed
c. all cells are smaller than those of single-celled organisms
d. all cells are the same size and shape

Respuesta :

It would be : a, b.

C isn't correct, has a cell from a multicellular organism can be smaller than one of a single celles organism. 

d. cells are obviously not all the same size and shape, otherwise they wouldn't be able to be specialized and serve different functions.