Biological diversiy, or biodiversity refers to
the variety ofspecies. On a big scale, biodiversity
means the variation of li人E on the cnuire earth.
On a smaller scale it refers to a particular area
wherecach species, no matter how small playsan 5
importantrole. Biodiversity sitalto oursurvival
because ecosystems with greater species diversiy can better recover from natural
disasters. In other words, a rich biodiversiy ensures the sustainability of all life forms.
Speaking of food, a Jarger number of plant species means a greater Variety of crops.
Almostall cultares have recognized the importance of biological diversiy, Itis apity,
however that biodiversiy has becn lost in many regions ofthe word. (17 word)
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