By 2070, how might the worldwide decomposer populations change? What effects could
"business as usual" and the last rate of
deforestation you selected have on human
health?

What was darwins theory of common decent

Are the layers of rock above and below the coal older or younger?

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.