GENERAL HISTOLOGY

Detailed explanation-1: -Single-celled organisms are called unicellular organisms. All prokaryotic organisms such as Bacteria, Archaea are unicellular. A single cell performs all functions such as metabolism, excretion and reproduction. They reproduce by asexual means.

Detailed explanation-2: -Single celled animals are called unicellular organisms.

Detailed explanation-3: -Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.

Detailed explanation-4: -Organisms can be classified as unicellular or multicellular depending upon the number of cells present in their bodies. Unicellular organisms are made up of single cells and multicellular organisms are made up of more than one i.e many cells. So, the statement is false.

Detailed explanation-5: -Escherichia coli. Diatoms. Protozoa. Protista. Streptococcus. Pneumococci. Dinoflagellates.