A Spore is a reproductive cell produced by slime molds.
Option D
Explanation:
A simple cell, that concicte of an cellular mass which creeps out as a gelatanious protoplasm which has varied cell organelle like a nuclei, a mass of amoeboid cell. It helps in reaching the size which tends form a large number of spores. Spore means a small, resistant cells which are completely dormant in nature. It includes, bacteria, fungi and protozoas.Spore is a unit of sexual and asexual reproduction of the cell. It functions through mitotic division of cells.