Question

in herdmania self fertilization is prevented due to​

Answer 1

Answer:

Although Herdmania is a hermaphroditic animal, self-fertilization is rare, because the ovarian regions mature prior to the testicular regions (protogynous condition). When the gametes become mature, they are expelled out to the sea water. Fertilization is thus external.

Answer 2

Answer:

Although Herdmania is a hermaphroditic animal, self-fertilization is rare, because the ovarian regions mature prior to the testicular regions (protogynous condition). When the gametes become mature, they are expelled out to the sea water. Fertilization is thus external.