Discovery OF cell || Difference between unicellular and Multicellular

Is sieve tubes unicellular or multicellular ?

What do you mean by unicellular and multicellular ?

Main difference between animal cell and plant cell is

Assertion:Whittaker's did not inculde unicellular green algae in prostista. Rerson: Distinction between uncicellular and multicellular organisms is not possible in case of algae.

difference between plant cell and animal cell|| Cell wall

Introduction|Discovery Of Cell|Unicellular And Multicellular Organism|Acellular, Cellular And Non - Cellular|Cell Theory|Question|OMR

How are the modes of reproduction different in unicellular and multicellular organisms?