A water mold is a fungus-like microorganism. It is actually a filamentous protist that only resembles a fungi.

C. water mold

The fungi population consists of decomposers, parasites, and symbionts.

E. I, II, and III

Members of the club fungi from the phylum Basidiomycota include shelf fungi, mushrooms, and puffballs. They have a fruiting bodies that are club-shaped; hence, the term club fungi.

A. mushroom

Rhizoids are the root-like structures found in molds. It supports the hyphae in anchoring itself to the food source.

C. rhizoid

The cell walls of plants and fungi are made chitin, which contains polysaccharide.

E. chitin

A mycelium is the vegetative part of a fungus that consists of a tangled mass of white filaments.

D. mycelium

The first antibiotic was called penicillin. This antibiotic was derived from the Penicillium fungi.

C. Penicillium

Since the yeast was only inoculated in one out of three test tubes, the presence of yeast was the independent variable. This factor was the one controlled in this experiment.

A. presence of live yeast or other microorganisms

In this experiment, the variables that were not deliberately changed include the odor of the alcohol and the presence of bubbles.

D. II and III only

According to the results of the experiment, the unheated grape mash and the inoculated, boiled grape mash have given off bubbles and an alcohol odor after 48 hours. This indicates that the two samples underwent fermentation. The only sample that did not ferment after a 48-hour period was the boiled grape mash (without the yeast).

C. I and II only