The answer is; B
Pseudopodia are projections of the cell of the organism that dynamically change in shape and size while flagella is an appendage structure that rotates and flips to move the organisms. Pseudopodia are temporary while the flagella is a permanent structure. Organisms that bear pseudopodia are majorly protozoans while those that are mainly bacteria. The process by which pseudopodia engulf food is called endocytosis.