Top Answer
User Avatar
Wiki User
Answered 2007-09-05 03:36:04

The National Science Foundation's "Tree of Life" project estimates that there could be anywhere from 5 million to 100 million species on the planet, but science has only identified about 2 million.

User Avatar

Your Answer


Still Have Questions?

Related Questions

How many organisms are estimated to inhabit the earth?

Upwards to the trillions.

How many species are estimated to live on earth?

about 40 million species are estimated to live on earth

How many horses live on Earth today?

There are many species of horses that are alive and inhabit the Earth today. There are domesticated horses that are well taken care of, and feral horses that roam the Earth, there is an estimated 59,000,000 horses in the world.

What are the first organism on earth?

Microbes were the first organisms to inhabit earth. They are single-cell organisms like bacteria, fungi and protozoa

Did Charles Darwin make an enormous number of species inhabit earth?

No, he recognised that species evolve into new species.

Are extinctions of entire species rare during the history of the Earth?

No. The term species denotes a very specific group of organisms. It is estimated that the average extinction rate on Earth is roughly one species per year. Currently it is much higher.

What is the estimated number of this species on earth?


How many different species of organisms do scientists believe exist on Earth today?

Scientists believe there are around 8.7 millions species on Earth, but this number could be off by 1.3 million either way. It is estimated there are 6.5 million land species and 2.2 species in the oceans.

The largest numbers of species of organisms on the earth are currently?

The largest numbers of species of organisms on the earth are currently bacteria. They out number plants and animals by far.

How many species are estimated to be living on Earth?

3 to 30 million .

Life is diverse How many species are estimated to be presently on the earth?


How many types of animals are invertebrates?

There are an estimated 9,000 to 10,000 species of invertebrates on earth and that takes up 98% of all types of species on earth.

How many plant species exist in this earth?

That has not been counted, only estimated.

What is the estimated population of the Covenant species in the Halo universe?

There is an estimated amount of about 7 billion covenant units, about the same as Earth.

What is the estimated number of extant species on Earth?

There are about 5-100 species, but scientist have only discovered about 2 million. =)

Are Gamma rays harmful to earth?

Gamma rays are not necessarily harmful to the planet Earth, but to all the living organisms that inhabit it, as Gamma is a powerful form of radiation.

Organisms that once lived on earth but all of their kind have died out a dead species?

Organisms that once lived on earth but have all died out are extinct.

How many living beings inhabit the earth?

about 60 billion people! well by now a bit more than that------------------------------------------------------------------------That's incorrect if I may put it bluntly.There are currently around (7Billion) human beings living on Earth but I believe that was not his/her question.If you mean how many living beings (as in "living organisms") are estimated to inhabit the earth, including bacteria, then the answer is 3 X 10 to the 33rd power (3,000 quintillion, 3X10^33) and around 75% of that is bacteria.IT--

What do you call it when organisms disappear from earth?

When there are no more known living members of a species, the species is said to be extinct.

What is Biological evolution is used to explain?

*the number of species on Earth. *the variety of species on Earth *the variability of organisms within a single species. Study Island question: I, II, and III

The number of species of organisms on earth seems to be approximately?

2 million rounded

How many insects are known?

There are estimated to be between six and ten million species of insects living on Earth today, and they may make up as much as 90% of the animal species on Earth.

How many animals are estimated to be on earth?

About 8.7 million (give or take 1.3 million) is the new, estimated total number of species on Earth -- the most precise calculation ever offered -- with 6.5 million species on land and 2.2 million in oceans. Announced by the Census of Marine Life, the figure is based on a new analytical technique. The number of species on Earth had been estimated previously at 3 million to 100 million. United Nations Farms

What does inhabit mean?

The word inhabit means to live in or occupy a place or environment. For example, as humans, we inhabit planet earth.

Why did complex organisms that inhabit the earth develop?

"They" happened by accident (i.e. mutations), and the ones that were more efficient eat the less efficient. That's life.