Over the years, the neurotoxin has become more toxic. How might the toxin have changed
over time?
. mutation
b. gene flow
c. adaptive radiation
d. sexual selection
A
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Conjugation is the process by which ________
a. bacterial cells swap plasmids b. bacterial cells swap chromosomes c. one bacterium donates a single-stranded plasmid to another bacterium d. one bacterium donates a double-stranded plasmid to another bacterium
The vestibular canal contains ____, while the cochlear duct contains ____
a. endolymph; perilymph b. tympanic membrane; organ of Corti c. organ of Corti; endolymph d. perilymph; endolymph e. scala media; endolymph
When a sudden change in the environment, such as a flood or fire, reduces the size of a population, the survivors' collective gene pool will be only a limited representation of what was present before the disaster. This phenomenon is called the:
A. Hardy-Weinberg effect. B. the founder effect. C. bottleneck effect. D. culling effect. E. genetic load
Evolution is the
A. slow change in the genetic makeup of a population of organisms over many generations. B. fast change in the genetic makeup of a population of organisms over many generations. C. slow change in the genetic makeup of an individual over a lifetime. D. fast change in the genetic makeup of an individual over a lifetime.