Organisms with inherited, advantageous traits are able to leave more offspring than organisms with other traits. This describes
A. genetic variation.
B. natural selection.
C. inheritance of acquired characteristics.
D. fitness.
Answer: B
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What did the phenomenon of polar wandering help explain?
A. Global mass extinctions B. Movement of the continents C. Movement of polar glaciers D. Development of the Ice Age
The direct collision of a raindrop with the ground, laterally shifting fine particles a few millimeters, is ______.
a - splash erosion b - valley cutting c - rill formation d - peds pushing e - plucking
Phentermine, also called Fastin, is an example of which type of amine?
A) primary aliphatic B) primary aromatic C) tertiary aliphatic D) tertiary aromatic
Since Canada closed the Grand Banks in 1992, fish populations have rebounded to historical levels
a. True b. False Indicate whether the statement is true or false