Which of the following is most likely to be an observation made by an anatomist?

a) a dna repair mechanism restores the original sequence after a mutation.
b) sensory receptors convert their information into impulses sent to the cns.
c) specialized cells in the epidermis produce the dark pigment melanin.
d) the nervous system is composed predominantly of neural tissue.

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.