While walking along a riverbank after a swim, you step on a sharp fruit. When you pick it up, you notice that it rattles, which indicates there is an air pocket around the seeds. How is this fruit most likely dispersed?
A) Explosively propelled
B) Being eaten by animals
C) Wind
D) Clinging to animals
E) Water
E
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Bactericidal tests should be performed:
a. for severe and life-threatening infections. b. for every clinically significant organism isolated from a clinical specimen. c. for evaluation of antimicrobial agents usually considered bacteriostatic. d. for bacteria isolated from wounds, wheth-er or not they are clinically significant.
Humans function best when their internal
temperature ranges between __________ and __________degrees Fahrenheit. a. 97; 100 b. 95; 102 c. 93; 104 d. 90; 106 e. 80; 100
____ convert nitrogen gas to nitrogen that plants can use.
A. Decomposers B. Nitrogen-fixing bacteria C. Nitrifying bacteria D. Denitrifying bacteria
The plasma membranes of root hair cells contain a variety of protein transport channels through which specific ions are transported, even against large concentration gradients, by
A. electron pumps. B. carbohydrate pumps. C. root pumps. D. proton pumps. E. water pumps.