JanetPrice
New member
- Dec 13, 2010
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ADVANCED EVOLUTIONARY TRENDS? A) 3 germ layers, bilateral symmetry, coeloemate, tube within a tube body plan, deuterostome
B) 2 germ layers, radial symmetry, acoelomate, sac body plan, protostome
B) 2 germ layers, radial symmetry, acoelomate, sac body plan, protostome