Plants are considered to be ____
a. heterotrophs
b. chemotrophs
c. carbotrophs
d. autotrophs
e. thermotrophs
ANSWER: d
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The positions of genes on a genetic map are marked according to
A) degrees. B) nanometers. C) radians. D) minutes.
The genome of an organism contains 14% guanine; therefore, it's genome also contains ____% thymine and ____%
cytosine.
a. 86; 14 b. 14; 36 c. 36; 36 d. 14; 86 e. 36; 14
If evolution has occurred:
a) the allele frequencies in a population have changed. b) the mean value for a trait has increased or decreased. c) the individuals in a population have had differential reproductive success. d) one species has split into two distinct species. e) None of the above is correct.
Figure 41.6
Use the figure above showing cyclic events in a human ovary to answer the following question.
The corpus luteum is indicated by the letter ____.
A. A B. B C. C D. D E. E