Which of these statements is true when comparing sexual and asexual reproduction?
a. sexual reproduction allows for more rapid population growth than does asexual reproduction
b. only half of the offspring from sexually reproducing females are also females.
c. asexual reproduction produces offspring of greater genetic variety
d. sexual reproduction is completed more rapidly than asexual reproduction.
e. asexual reproduction is better suited to environments with extremely varying conditions.

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.