Why are people part Mongolian? Explain why in one paragraph please

Which is one example of a phenotypic change that is not genetic

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.

Osmosis requires? a- all of the above b- a selectively permeable membrane c- none, it does not involve water d- water e- a concentration gradient between solutes and water