Which of the Following Regarding Biomes Is Not True

Multiple Choice

Which of the following regarding biomes is not true?

A) Biomes are defined by native species to a region.
B) Most biomes have been greatly altered by human intervention.
C) The boundaries between most biomes are sharp and easily delineated.
D) Biomes often reflect potential mature vegetation,rather than actual vegetation of an area.
E) The biome concept has been applied primarily to terrestrial ecosystems.