10 percent
jellyfish
The Earth's grass produce 20 to 30 percent oxygen. The other 70 to 80 percent of oxygen is produced by marine plants.
I believe that the answer is insecta - hope this helps
Canopy
There are only 240 or so primate species. That is nowhere near 98% of animal species. Somewhere between the 6 and 9 million insect species on Earth make up about 90% of animal species total.
Yes, it is estimated that about 99.5 percent of all species that have ever existed on Earth are now extinct. This figure reflects the natural processes of evolution and extinction over millions of years, including mass extinction events that have wiped out large numbers of species. Only a small fraction of species that have existed are still present today, highlighting the dynamic nature of life on Earth.
It is estimated that 99% of all animals that have ever lived are now extinct.
about 18,492,002 species consists on earth
Approximately 40% of the Earth's total land surface is covered by grasslands. These areas are vital for biodiversity, carbon sequestration, and supporting various wildlife species.
The dinosaurs are one of the species that has disappeared from the earth.
It can be assumed that, eventually, 99.9% of endangered species will end up extinct. This is because, according to scientists, 99.9% of species that have ever existed on the Earth have become extinct.See the related link for more information.