Define unicellular, colonial, and multicellular. What differences are likely to exist between unicellular organisms and cells of larger organisms? Explain the difference between tissues and organs....

Define
unicellular, colonial,
and
multicellular.

What differences are likely to exist between
unicellular organisms and cells of larger
organisms?
Explain the difference between tissues and
organs. Why is it important for cells to package some of their products in vesicles? How does the environment of cells differ for a unicellular and a multicellular organism?