more than 2000.
2 1/2
All animal species have not yet been discovered so it is not possible to know.
The one celled "Euglena"Currently, over 1,000 species of Euglena have been described. There are many to be discovered. Some Euglena are considered to have both plant and animal features.
The Blanding Turtle is located in North America and is an endangered species. The animal has been studies since the Holbrook gave the species the name Emydiodea Blandingii in 1838.
a species that has not been named
ver 260,000 different species
Over 1,130,000 arthropod species have been described, making it the largest animal phylum. Estimates indicate many millions more have yet to be described.
10 million
ver 260,000 different species
It is extremely possible. Not all species have been discovered and named yet. Scientists are continually finding new species, so it is possible that some shark species haven't been found yet.
horse
There have been 95 exoplanets discovered in 2010. You'll need to be more specific on the question.