Which Statement About the Effect of Human Activity on Ecosystems

Which statement about the effect of human activity on ecosystems is false?

A) Human activity is generally making ecosystems more similar to one another.
B) Humans use more land for agriculture than for cities.
C) Human activity generally makes ecosystems more complex.
D) Human activity is causing the rapid movement of species across biogeographic boundaries.
E) Human activity often leads to the fragmentation of landscapes.