A single gene will always do which of the following?
A) determine a physical characteristic of an individual
B) code for a specific protein or type of RNA
C) both a and b
D) neither a nor b
B
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____ were large amphibians abundant during the Carboniferous
A)Crossopterygians B)Eurypterids C)Ammonids D)Labyrinthodonts E)Protorothyrids
The aim of the First Triumvirate was
A) For all three members to help each other win additional consulships B) For all three members to help each other gain advantageous marriage alliances C) For all three members to help each other gain advantageous military commands D) Both A and C
Loess is deposited by
A) glacial outwash B) dust storms C) sand dunes D) wind erosion
The species area relationship concept suggests that if 90% of a coral reef is lost
a. 90% of the species utilizing the reef will go extinct. b. 100% of the species will go extinct. c. 50% of the species will go extinct. d. 35% will go extinct. e. There will be no loss of species.