The fiddlehead is a ________ that unfolds into a ________.
A. diploid sporophyte; fern frond
B. haploid gametophyte; fern frond
C. diploid gametophyte; fern frond
D. diploid gametophyte; moss plant
E. haploid sporophyte; fern frond
Answer: A
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The largest trading partner of the United States is
a. Mexico. b. Canada. c. the European Union. d. Japan.
In a certain population, the allele frequencies of the M and N blood group alleles are 0.6 and 0.4,
respectively. How many of a population of 500 would be expected to have MN blood type if the population is in genetic equilibrium for the MN locus? a. 200 b. 220 c. 240 d. 260 e. 300
The allelle for sickle cell anemia is maintained in populations by frequency dependent selection
_______________ Indicate whether the statement is true or false.
Chlorophyll's most important role during photosynthesis is:
A) keeping the leaves of plants green. B) capturing electrons that can, in turn, be used by carotenoids. C) turning color in the autumn each year. D) converting light energy from the sun into chemical energy. E) turning into a molecule of ATP upon being struck by sunlight.