Below is a list of functions performed by organisms. examine the list, then answer the question that follows.

gas exchange

intake of nutrients

disposal of wastes

stimulus response

reproduction

how do these functions compare between single-celled and multi-celled organisms?

a.

single-celled organisms must perform all of these functions with one cell, while multi-celled organisms can have specialized cells for different functions.

b.

neither single-celled organisms nor multi-celled organisms can perform all of these necessary functions.

c.

single-celled organisms can perform all of these functions, while multi-celled organisms can perform only some of these functions.

d.

single-celled organisms can perform only some of these functions, while multi-celled organisms can perform all of these functions.