Habitat preservation is usually the most efficient method of protecting biodiversity because it involves protecting an entire .

Habitat  preservation  involve  the  protection  of an  entire  habitat area  for  wlild  animal  and  plant.It  conserve  reliance  species  and  prevent their  exitinction, fragmentation   or  reduction  in  range.Habitat  conservation  is  important  is  maintaining  biodiversity  which  is  an essential part  of  global  food  security

The answer is 0.01 meter