Which process could have allowed the nucleomorphs of chlorarachniophytes to be reduced, without the net loss of any genetic information?
A) conjugation
B) horizontal gene transfer
C) phagocytosis
D) meiosis
B
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Which of the following is secreted by a sexually mature woman?
A) testosterone, only B) estrogen, only C) progestins, only D) All of these are secreted by a sexually mature woman.
All forms of life function optimally at a pH of 7
Indicate whether the statement is true or false
In Cameroon, seedcrackers have either small bills (adapted for feeding on soft sedge seeds) or large bills (adapted for
feeding on hard sedge seeds). During competition for scarce resources, these birds primarily feed on the seeds for which they are best adapted. This is an example of ____ selection.
a. stabilizing b. disruptive c. frequent d. directional e. mutational
Insecticide resistance is an example of macroevolution resulting from artificial selection
a. True b. False