Polyploidy is an evolutionary mechanism that may result in
A. the baldness trait becoming dominant in men.
B. a surge in birthrates in mammals.
C. new plant species.
D. death if recessive.
Answer: C
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During the process of ____________________, rising magma from a subducting plate or mantle plume accumulates
beneath a continent. Fill in the blank(s) with the appropriate word(s).
In the Cenozoic, the western margin of North America ____
a. changed from a subduction zone to a transform boundary b. changed from a transform boundary to a subduction zone c. changed from a subduction zone to a passive margin d. changed from a subduction zone to an divergent zone e. remained stable and unchanged
Bajadas develop from coalescence of alluvial fans along fronts of mountain ranges in arid lands
Indicate whether the statement is true or false
Which of the following is true about women in rural Africa?
A) supplement income with crafts B) work as subsistence and commercial farmers C) experience desertification effects D) effective poverty reduction E) supplement income with crafts, work as subsistence and commercial farmers, experience desertification effects