A Planktotrophic Larva

Question

A planktotrophic larva
A) Usually develops from rather large eggs
B) Is always capable of dispersal across oceans
C) Is not capable of settlement throughout all of its planktonic life
D) Settles only on hard substrata

Accepted Answer

Planktotrophic larvae are capable of feeding in the plankton during their larval stage, but they cannot settle throughout all of this period. They have a specific window of time when they are ready to settle, indicating that they are not capable of settlement throughout their entire planktonic life.