Explain pharyngeal gill slits.
In higher chordates, pharyngeal gill slits are
Hemichordates have pharyngeal gill slits which are
Pharyngeal gill slits are dorsal in
Gill slits in chordates
3 basic features of phylum chordate(notochord, dorsal hollow nerve chord, pharyngeal gill slits)
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Chordates have single or paired gill slits
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Name the phylum in which pharyngeal gill slits are present but notochord is absent.
The early stage human embryo distinctly possesses (a) gills (b) gill slits (c) external ear (pinna)
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