更多bipinnaria例句

1. The presence of two rings instead of one distinguishes the Bipinnaria from the Auricularia.
2. The commonest and most thoroughly investigated form of Asteroid larva is a free-swimming form known as Bipinnaria.
3. Ontologically, however, the two bands of Bipinnaria do not appear to arise from the division of a single band.
4. Bipinnaria or Branchiolaria: The larval stage of starfishes.
5. The egg becomes a sort of infusoria, the infusoria becomes a bipinnaria, and this produces the Asterias.