Answer:
Stimulus
Explanation:
The answer is stimulus. In plural it would be stimuli.
The answer would be fossils since they are they remains of past life forms
A Pinocytic vesicle is a structure which helps in the Pinocytic process, where the small particles are bought into the cell, forming an infolding or invagination which in turn are suspended in the small vesicles. This process is also known as Cell Drinking.
