Question

Question: How many animals are in the whole world ?
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Answer 1

Answer:

Scientists have recently estimated that there are approximately 8.7 million species on Earth. They believe that 1-2 million of those species are animals.

Answer 2

Answer:

There are believed to be around 7.7 million known species of animal on the planet and the National Oceanic and Atmospheric Administration estimates that as much as 95% of the ocean and 99% of the ocean floor has been left unexplored.