Since the existence of single-celled organisms ranges back to at least 3.5 billion years ago, the number of species that have ever lived on Earth is accepted to have climb to more than 10 billion in total.
all life-forms are located in the biosphere
in a ecosystem
biosphere
1,000,000,000
Life in all its various forms.
Yes. Planet earth has many forms of life. However apart from on Earth there is no other life that we know of.
Earth is the planet with the most life forms.
all life-forms are located in the biosphere
Unicellular plants and animals were first forms of life on Earth
Answ2. Yes there are life forms in earth. worms, insects and bacteria. In the Antarctic, they have even found life-forms inside what appears to be solid rock.
Actually, it is the many species of insects that outnumber the animals.
Life has been found just about anywhere on Earth.
YES we have complex life forms. but we can t be the only life forms in this vast space.
Plants
cyanobacteria
Cyanobacteria
Mantle