JAMB - Biology (2020 - No. 7)
In which of the following does external fertilization take place?
toad
lizard
bird
cockroach
Giải thích
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. Many fish, amphibians, and other sexual aquatic animals use external fertilization (the exceptions are aquatic mammals, sharks, and some other special types of fish).