Question

Q: How many animals are in the whole world ?​

Answer 1

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.

Answer 2

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.

I hope this helps you..