Two pathways for the splitting of sucrose are known in plants, both of which take part in the use of sucrose from phloem unloading;

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#Question id: 8895

#9. Diversity of Life Forms

What is one characteristic that separates chordates from all other animals?

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#Question id: 8896

#9. Diversity of Life Forms

Chordate pharyngeal slits appear to have functioned first as

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#Question id: 8897

#9. Diversity of Life Forms

Which of the following statements would be least acceptable to most zoologists?

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#Question id: 8898

#9. Diversity of Life Forms

Which extant chordates are postulated to be most like the earliest chordates in appearance?

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#Question id: 8901

#9. Diversity of Life Forms

The origin of the craniates occurred at roughly the same time as the

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#Question id: 8902

#9. Diversity of Life Forms

What do craniates have that earlier chordates did not have?