In which of the following would you expect a similar pattern of changes to observed species to occur in an ecosystem? SELECT ALL THAT APPLY!!! A. Humans permanently abandoning a farm field.
B. A flood scouring a nature park.
C. A large thunderstorm causing a tree to fall.
D. A forest that supports hardwood trees, rabbits, deer, and foxes.
E. A forest fire causing death of trees.
F. A rainforest with many species including snakes, birds, and mammals.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.