Do echinoderms present internal or external fecundation? Is there sex

1.	Do echinoderms present internal or external fecundation? Is there sex division among individuals?
Answer» The fecundation in echinoderms is external, gametes are liberated in water where fecundation occurs. The majority of echinoderms are dioecious with male and female individuals.

Do echinoderms present internal or external fecundation? Is there sex division among individuals?

Answer»

The fecundation in echinoderms is external, gametes are liberated in water where fecundation occurs.

The majority of echinoderms are dioecious with male and female individuals.