Cartilage (bone-forming tissue) and connective tissue of the vertebrate limb form from:

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#Question id: 8897

#SCPH28 | Zoology

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

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#Question id: 8898

#SCPH06 I Botany

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

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#Question id: 8898

#SCPH28 | Zoology

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

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#Question id: 8899

#SCPH06 I Botany

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?

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#Question id: 8899

#SCPH28 | Zoology

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics?

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#Question id: 8900

#SCPH06 I Botany

Which of the following statements about craniates is (are) correct?

1. Craniates are more highly cephalized than are non-craniates.

2. Craniatesʹ genomic evolution includes duplication of clusters of genes that code for transcription factors.

3. The craniate clade is synonymous with the vertebrate clade.

4. Pharyngeal slits that can assist in gas exchange originated in craniates,

5. The two-chambered heart originated with the early craniates.