Arabidopsis contains five genes encoding phytochromes, PHYA–PHYE, four of the five phytochromes appear mostly light-stable in the plant and function primarily in the regulation of LFRs and of shade avoidance involving changes in the R:FR ratio.

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#Question id: 8862

#9. Diversity of Life Forms

The members of which class of the phylum Cnidaria occur only as polyps?

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#Question id: 8863

#9. Diversity of Life Forms

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 

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#Question id: 8864

#9. Diversity of Life Forms

Corals are most closely related to which group?

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#Question id: 8886

#9. Diversity of Life Forms

Which characteristic is shared by both cnidarians and flatworms?

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#Question id: 8887

#9. Diversity of Life Forms

Generally, members of which flatworm class(es) are nonparasitic?

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#Question id: 8889

#9. Diversity of Life Forms

What would be the most effective method of reducing the incidence of blood flukes in a human population?