Imagine That in One Portion of Their Range, Black Widowbird

Multiple Choice

Imagine that in one portion of their range, black widowbird numbers are declining due to the introduction of a non-native snake that eats their eggs and nestlings. Prior to mating, a male widowbird produces sperm cells through the process of __________. When the sperm fuses with an egg cell, __________ has occurred.

A) meiosis; fertilization
B) fertilization; meiosis
C) sexual selection; meiosis
D) fertilization; mutation