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 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
The association between fungi and algae (or bacteria) in forming lichens is one of _______in that _______.
a. parasitism; only one party benefits from the relationship
b. competition; neither party benefits from the relationship
c. competition; both parties are vying for the same resources
d. mutualism; both parties are benefiting from the relationship
e. saprophytism; one party is feeding on the dead remains of the other