Most of the temperate grassland in North America has been converted to ________
A) cities
B) farmland
C) national parks
D) small neighborhoods
B
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An organism with a temperature growth optimum near 80°C and a pH growth optimum between two and three is usually referred to as a(n) ________.
A. thermophile B. halophile C. thermoalkalophile D. thermoacidophile
Four genes (A, B, C, D) are in the same chromosome. The distance between A and B is 4 map units, between A and C is 6 map units, between A and D is 1 map unit, between B and C is 2 map units, and between B and D is 5 map units
The correct order of genes in the chromosome is: A. D, C, B, A B. C, B, A, D C. B, A, C, D D. A, B, C, D E. B, D, A, C
Which of the following caused massive declines in U.S. commercial fish populations?
A) recreational anglers B) freak weather events in the 1980s C) huge factory trawlers D) foreign commercial fisherman
The process of photolysis ____.
A. is a function of the cyclic pathway B. involves photosystem I C. involves the splitting of visible light into its components D. is the source of water in photosynthesis E. directly replaces electrons lost by P680