True or false: Some cases of hybridization that lead to instantaneous speciation result in alteration of chromosomal number
A. true
B. false
A
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Members of which fungal phylum are the only ones to produce motile spores?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The taiga or boreal forest is best described as what type of forest?
a. deciduous b. thorn c. coniferous d. broad-leafed e. shrub
Each of the following statements is true about the nicotinic acetylcholine receptor except
A) the actions of acetylcholine can be mimicked by nicotine. B) it binds one molecule of acetylcholine for activity. C) the open channel allows an influx of sodium ions. D) biochemical purification was aided by the use of cobratoxin. E) it is made up of five large subunits.
Well-developed vascular systems are absent in all of the following except
A. hornworts. B. Pterophytes. C. liverworts. D. Charophytes. E. mosses.