In 1493, Christopher Columbus introduced Europe to the American plant:
a. potatoes.
b. wheat.
c. coffee.
d. maize.
e. tobacco.
d
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Which of the following statements is true of mitosis?
a. It results in gamete formation. b. Crossing-over occurs during mitosis between homologous chromosomes. c. The process requires only one cell division to be complete. d. Homologous chromosomes come together as pairs during mitosis. e. There are two cell divisions before the process is complete.
In his research on suicide bombing, Scott Atran found that the individuals who vow to commit acts of violence __________
A. are among the most educated in their communities B. have no families of their own C. suffer from feelings of deprivation D. are less charismatic than other leaders
Differential resistance to infectious diseases such as smallpox has influenced the distribution of the enzyme lactase
Indicate whether the statement is true or false.
How do biological changes in H. erectus reflect new cultural adaptive strategies? How do these relate to H. erectus's capacity to extend the hominin range beyond Africa to Asia and Europe?
What will be an ideal response?