After reading the article, 12 Theories of How We Became Human, and Why They’re All Wrong by Mark Strauss, your are to cite the theories that may have merit, as some of them do and are still in the discipline's discourse, and those that do not, meaning they have none or relatively low quality data/evidence.

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.