Conventional external fertilization involves both males and females extruding gametes into the environment where they fertilize separate from the parents; internal fertilization involves sperm being transferred to the female with fertilization inside the female.A leech utilizes
A) conventional external fertilization.
B) standard internal fertilization.
C) internal fertilization but by hypodermic impregnation that penetrates the integument.
D) no transfer of sperm at all but regenerates asexually.
E) None of the choices are correct.

Question

Quizplus · Accepted Answer

Leeches utilize hypodermic impregnation, in which the male leech injects sperm into the female's body through the integument during copulation. This is a form of internal fertilization but not through the traditional mating organs.

Conventional External Fertilization Involves Both Males and Females Extruding Gametes