A distribution between 2 sets of genes is called what?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

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.