B. Protista
Bcoz in kingdom protista
Euglenoids and slime moulds are present - having characteristics of both plants and animals..
And protozoans are also present-primituve relatives of animals.
Answer: Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions. A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
The circulatory system transports the nutrients and oxygen throughout the body, and the excretory system will excrete the waste and the body will start to sweat in response to the heat to maintain homeostasis.
