answersLogoWhite

0

Scientist believe that prokaryotic cells evolved 1.5 billion years ago.

User Avatar

Wiki User

14y ago

What else can I help you with?

Related Questions

How old do scientists think that earth is?

4.6 billion years


How old do scientists think asteroids are?

About the same age as the time of formation of the solar system: 4.6 billion years to 4.7 billion years.


When did the first life forms appear on Earth?

Scientists think that the first life forms appeared on Earth about 3.6 billion years ago. These were simple cells that eventually evolved into the abundance of life we see today.


How much longer do scientists think the sun will exist for?

The sun is middle aged, it has burned for about 6 billion years and will burn for about 6 billion more years.


How do scientists think the sun and the solar system formed?

4.5-5 billion years old


How do scientists think the world begun?

Acceation of dust and gas about 4.5 billion years ago.


How old do scientists think the sun is?

The sun is 4.5 billion years old


About how many years ago do scientists suggest that earth cooled enough for water vapor to condense?

THEY THINK about 3.9 billion years ago (: 4.4 billion years ago(:


How old do scientists think the universe?

They estimate the age of the Universe in more than 12 billion years.


What animal do scientists think penguins evolved from?

Scientists think that penguins evolved from flying birds, similar to petrels and albatrosses, around 60 million years ago. Over time, they adapted to a more aquatic lifestyle, leading to their distinctive form and characteristics we see today.


Where do scientists think life began?

God created all the universe and all life that exist! He made allThis is one belief that is shared among all Christians. However, some scientists believe that life started 4.5 billion years ago in Africa. It then evolved and spread out across the world.


How many billion of years old is the universe according to scientists?

14 billion