[["Scientists have recently estimated that there are approximately 8.7 million species on Earth. They believe that 1 to 2 million of those species are animals. ", 754.0], ["Scientists have recently estimated that 1 to 2 million of the approximately 8.7 million species on Earth are animals.  They also estimate that roughly 90% of them have not yet been discovered.", 147.0], ["Only God knows this exact number ", 0.0]]
how much animals are in the world
animals,pets