Use what you know about natural selection to fill in the blanks in the hypothesis. it should answer the lab question, “what is the effect of the type of food available on the frequency of different types of bird beaks? ”

hypothesis: if the type of food available changes, then…

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

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.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter