Q. According to data gathered in 2010 , the total number of species, that are known and described, range between

 1598  227 Biodiversity and Conservation Report Error

Solution:

Scientists have described the range of total number of world's species between 1.7-1.8 million as in 2010. Total number of plants over earth are approximately , total number of vertebrates , total number of invertebrates and others (bacteria, cyanobacteria, algae) are approximately Thus, number of species over earth totals to .