Nocardia spp. form branched filaments that extend into the air that are called _____ hyphae
a. surface
b. substrate
c. aerial
d. topical
C
Nocardia spp. form branched filaments that extend into the air and are referred to as aerial hy-phae.
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A person with neither anti-A nor anti-B antibodies in circulation has which of blood type?
A) A B) B C) AB D) O
The scientific name of an organism is composed of two names. The first part identifies the ____ while
the second part designates the ____.
a. genus; species b. species; genus c. genera; genus d. phylum; species e. family; genus
Many introduced species have deleterious
effects on communities and ecosystems because a. coevolved parasites and competitors are absent. b. the introduced species are long-lived. c. predators prefer the introduced species; therefore, the local prey proliferate to dangerously high levels. d. the communities from which they came lost an important predator, competitor, or parasite. e. all of these occur
A cotyledon is which of the following?
a. embryonic root b. seed cover c. flower part d. seed leaf e. fruit