Which of the following protists have a life cycle in which many amoeba-like cells congregate during asexual reproduction to form a slug-like colony?
a. red algae
b. diatoms
c. cellular slime molds
d. ciliates

c. cellular slime molds

cellular slime molds have a life cycle in which many amoeba-like cells congregate during asexual reproduction to form a slug-like colony

Explanation:

In the feeding stage there are solitary cells, when food is depleted the cells come together and congregate to form a slug, they come together within a cellulose sheath, all this cells migrate and move together for a time as a strategy for disperse the specie, the cells form a stalk (an asexual fruiting body) and finally other cells develop into spores.

It is important to know that in the slug-like colony the cells remain separated by their plasma membranes.