They are not, bacteria is the most important species - without them humans would not last more than a few hours.
It depends on the species. If it's endangered, there could be only a few (single numbers maybe to 100's or 1000's). If it is a very successful species like humans, there are around 7 billion humans on earth.
no, successful is an adjective in that sentence
A species is considered endangered, if it is considered to be facing a very high risk of extinction in the wild.
There were main countries in which the song God Is a Girl was considered successful. The song God Is a Girl was considered most successful in the United States and England.
No, the eastern goldfinch is a very common species.
A species is considered endangered when it is at a very high risk of extinction in the near future. A species is considered threatened when it is likely to become endangered in the foreseeable future if threats continue.
not very well known species of humans. usually native to Africa and the species can also stretch to china. There extinct
Yes, the one species is the black people this very lethal venom called AIDS
there are very successful there are very successful
Theoretically it is possible, but "theoretical" and "probable" are two very, very different things.
They say sharks have existed for 409 million years, a very successful species to have survived that long indeed.
Some species eat aphids and are considered very usefull.