No, at the least there are many types of insects living in rainforests and various animals living deep in the oceans that we know nothing of yet.
No, not every island on Earth has been discovered. There are still remote and uninhabited islands that have not been explored or documented by humans.
horse
cow , horse
more than 2000.
No, it has not been discovered, and I don't think it ever will be.
2 1/2
yes and no, as the animal kingdom covers all animals who have been discovered. but if an animal is still unknown to scientist than that specific animal would not be covered in the animal kingdom.
yes there is an new animal discovered in the Atlantic ocean and it is a transparent snail and it looks so cute
In the early 1940's, a scientist named Earl McPheeter discovered the animal "lion" ROARRR!
As far as is known, no cure for cancer has been found. Many discoveries may have been made through animal testing to bring us closer to a cure.
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.