A person chokes when food becomes lodged inthe ____
a. esophagus
b. trachea
c. larynx
d. sinus
e. pharynx
ANSWER: b
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The adaptive advantage associated with the filamentous nature of fungal mycelia is primarily related to _____
A) the ability to form haustoria and parasitize other organisms B) avoiding sexual reproduction until the environment changes C) the potential to inhabit almost all terrestrial habitats D) the increased probability of contact between different mating types E) an extensive surface area well suited for invasive growth and absorptive nutrition
Girdling a tree is eventually lethal because it prevents
a. water uptake. b. photosynthesis. c. respiration. d. sugar transport to roots. e. water transport to leaves.
The heart condition caused by Lyme disease infection is ____
a. endocarditis b. tachycardia c. myocarditis d. “blue babies” e. rheumatic fever
The White Cliffs of Dover, a famous landmark in England, is made of limestone, which is really a collection of the pore-studdedshells (tests) of
A. spirochetes. B. diatoms. C. brown algae. D. foraminifera. E. dinoflagellates.