The theory that individuals with certain traits are more fit for their local environment and therefore are more likely to survive and reproduce is known as
A) natural selection.
B) macroevolution.
C) gene flow.
D) antigenic drift.
E) the bottleneck effect.
A
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An Etest ® is a clinical tool used for the determination of
A) enteric presence. B) Escherichia coli O157:H7 presence. C) the minimum inhibitory concentration (MIC) value of an antimicrobial agent. D) pathogenic enzyme activity.
Which nutrients can plants obtain through mycorrhization?
a. calcium, nickel, and nitrogen b. phosphate, zinc, and copper c. phosphorus, calcium, and oxygen d. hydrogen, carbon, and oxygen
In humans, a gene that has been identified as causing a type of skin cancer is the
a. mutant superman. b. sonic hedgehog. c. superhero aardvark. d. superwoman echidna. e. mutant mole rat.
Which fuel source is used strictly for electrical power generation?
a. nuclear energy b. renewable energy c. coal d. natural gas e. petroleum