Discussion
Raunkiaer's normal biological spectrum for phanerogamic flora of the world exhibits one of the following sequence of occurrence (%) of different life forms.
Answer: B
Raunkiaer's normal spectrum gives the shares of life forms in the world flora: phanerophytes about 46 percent, hemicryptophytes about 26, therophytes about 13, chamaephytes about 9 and cryptophytes about 6. Arranged from the largest to the smallest this reads phanerophytes, hemicryptophytes, therophytes, chamaephytes, cryptophytes. The first option swaps the last two, the third places cryptophytes before therophytes, and the fourth puts chamaephytes second, so none of them matches the spectrum.
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