2023-12-25 21:11:04
The American website “Live Science” revealed the calculation for estimating the total number of animals that have existed on the planet since the beginning of creation, as it was described as representing a “difficult issue.”
The Red List of Threatened Species says scientists have identified the equivalent of 2.16 million animal species by 2022.
According to the site, there are several types of duplicate animals, due to their documentation by more than one scientist, at a rate that may reach 20% of the previously specified number, according to a research paper published in 2013. This means that the real number of known animal species reaches regarding 1.7. A million species.
Research has been able to determine the final number of animals that have existed since ancient times until today, as the number has reached regarding 8.7 million species of eukaryotes, while animals constitute regarding 7.7 million species of them.
Studies indicate that if we assume that the Earth is currently inhabited by 8 billion people alone, we share the planet with regarding 130 billion other mammals, up to 428 billion birds, 3.5 trillion fish, and an estimated 10 quintillion insects.
Source: Arabi Post
1703539409
#numbers #animals #share #planet
