Which best describes how our understand of dna and inherited traits changed over time? a. it was developed by many scientists over many decades, b. it was discovered by scientists working in the 17th century. c. it was discovered by one scientist working alone. d. it was figured out in 1928 by federick griffith answer fast!

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.