Molecular data suggest that mosses, hornworts, and liverworts have individual lines of descent, but that they form a monophyletic group.
Answer the following statement true (T) or false (F)
False
Molecular data suggest that mosses, hornworts and liverworts have individual lines of descent and that they do not form a monophyletic group.
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The photosynthetic production of one molecule of glucose requires ________ molecule(s) of NADPH.
A. 6 B. 24 C. 12 D. 18
In fruit flies, natural selection tends to maintain both alleles of the foraging gene because:
a. gametes assort randomly b. larvae of each foraging type are more likely to survive when their type is rare c. larvae of each foraging type are more likely to survive when their type is common d. rovers often find more food than sitters e. sitters conserve more energy than rovers
The greenhouse effect, which has become a major ecological concern, is caused by
A) the destruction of ozone in the upper atmosphere. B) the increase in atmospheric concentrations of greenhouse gases (CO2,CH4, and N2O). C) overuse of fertilizers in farming. D) global warming. E) the release of heat energy from burning fossil fuels.
All life depends on the availability of usable energy. This energy is released when
(a) organisms convert solar energy into the chemical energy found in food molecules (b) respiration occurs in the cells of producers and high-energy molecules enter the atmosphere (c) cells carry out the process of respiration (d) animal cells synthesize starch and carbon dioxide