NEET BIOLOGY

Detailed explanation-1: -Members of the kingdom Protista, commonly called protists, are single-celled or simple multicellular organisms that don’t fit into any other kingdom.

Detailed explanation-2: -Unlike the cells of the two other eukaryotic kingdoms, plants and fungi, animal cells don’t have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia. The lack of a rigid cell wall allowed animals to develop a greater diversity of cell types.

Detailed explanation-3: -Protista. Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is usually no cell wall, although some forms may have a cell wall.

Detailed explanation-4: -Kingdom Plantae and Animalia include multicellular organisms. Animals have distinct organ systems such as the digestive system, respiratory system, etc.