Which of these best describes what occurs during cytokinesis?
a. the chromosomes are separated
b. the cell begins to divide by replicating the chromosomes
c. the cytoplasm is divides between the two new daughter cells
d. the nucleus opens to allow the chromosomes to enter the cytoplasm

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.