TLS Online TPP Program

#Question id: 8937


During metamorphosis, echinoderms undergo a transformation from motile larvae to a sedentary (or sometimes sessile) existence as adults. What differentiates echinoderm adults, but not their larvae? Adults should

#XL - R Botany
  1. be diploblastic.
  2. have radial symmetry, or something close to it.
  3. lack mesodermally derived tissues.
  4. A and B only