The following questions are based on the description and Figure 29.1 below, which is the same as Fig. 29.10 in the textbook.
Researchers tested nitrogen loss from soil where the moss Polytrichum was growing, to soil from which Polytrichum had been removed. The data are presented below.
Figure 29.1
-A potential source of nitrogen in a sandy soil environment might be the bacterium, Rhizobium, which inhabits the root nodules of leguminous plants. Which of these statements is True, and should prevent Rhizobium or other root-inhabiting nitrogen-fixers from contributing nitrogen to the soil in this experiment?
A) Mosses have no roots.
B) Moss gametophytes lack stomata.
C) Mosses evolved before there were substantial amounts of nitrogen in Earth's atmosphere.
D) Among land plants, only legumes are known to establish symbiotic relationships with members of other kingdoms.
Correct Answer:
Verified
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