The Following Statements About Community Structure and Interactions Are Correct

Multiple Choice

The following statements about community structure and interactions are correct, with the exception of which one?

A) The trophic cascade model suggests that the lower trophic levels influence/control the higher trophic levels.
B) High-diversity communities are often more resilient to invasive species than low-diversity communities.
C) Communities show variation in the top-down and bottom-down community control.
D) The dynamic stability hypothesis suggests that long food chains are less stable than low food chains.
E) An organism that influences a community by changing its physical environment is referred to as an ecosystem engineer.