Most fungi are multicelled organisms that take the form of a web of filaments called hyphae. However, three of the four fungal phyla also have single-celled species that collectively are referred to as ________.

The essential structure of most fungi is a set of slender filaments called ________ that collectively make up a structure called a ________.

Which of the following is not a characteristic of fungi: (a) usually fixed in one spot; (b) make their own food; (c) tend to be multicellular?

Fungi are indispensable to the natural world because of their role in________.

Vaginal yeast infections are caused by the fungus Candida albicans, which is one of a community of microorganisms that are always present in the vagina in low concentrations. One of the factors that can bring about a yeast infection is the initiation of the use of certain antibiotics. Why would the use of antibiotics foster an unhealthy multiplication of C. albicans in the vagina?

Fungi (select all that apply):

a. are more closely related to plants than animals.

b. make their own food.

c. use existing organic material as their food.

d. digest their food externally.

e. are usually multicellular.

Most fungi are composed almost entirely of:

a. ball-shaped objects called hypha.

b. leaves and stems.

c. reproductive cells called spores.

d. slender filaments called hyphae.

e. slender filaments called septa.

Fungi cause (select all that apply):

a. tetanus.

b. athlete’s foot.

c. common colds.

d. dry rot.

e. wheat rust.

Fungi are important to humans as (select all that apply):

a. a source of citric acid.

b. photosynthesizing organisms.

c. the source of some antibiotics.

d. decomposers of dead organic material.

e. producers of oxygen.

Fungi reproduce through cells called spores that (select all that apply):

a. have a single set of chromosomes.

b. often are released from structures called fruiting bodies.

c. usually are released in huge numbers.

d. must fuse with another spore to bring about germination.

e. germinate without fusing with another cell.

Fungi that obtain their nutrition from living organisms are referred to as _______, while fungi that obtain their nutrition from dead organic material are referred to as________.

a. carnivores; herbivores

b. saprophytes; parasites

c. omnivores; herbivores

d. parasites; saprophytes

e. saprophytes; herbivores