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pringles08 pringles08
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9 years ago
Among the deuterostomes, pharyngeal slits or arches are components of the body plan that underlie several evolutionary innovations that characterize particular lineages. Describe two of these synapomorphies (for which lineages?) and why they might have led to their lineages’ diversification.
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Educator
9 years ago
Morphological synapomorphies of Deuterostomia:

- A pharynx with phayrngeal openings
- A segmented tail that undulates laterally



Hope the resource below helps...

Source  http://www.geol.umd.edu/~tholtz/G331/lectures/331echin1.html
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