Question

49. The diagram below represents the various stages of ecological succession in New York State. D. Hardwood forest stage A. Grass B. Shrub C. Pine forest stage stage stage Bare field maz! If the ecosystem is not altered, which stage would be the most stable? A) grass B) shrub C) pine forest D) hardwood forest 50. Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents a pond ecosystem Sun Source:freshwaterecosystemswebquest wikispaces. com/ponds lakes, +and+inland+sea Energy in this ecosystem passes directly from the Sun to A) herbivores B) consumers C) heterotrophs D) autotrophs