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Scientists believe that protobionts, such as lipid spheres or protein microspheres, may have formed from chemical reactions in the early Earth environment. These protobionts are thought to have had the ability to self-assemble and carry out simple metabolic processes, potentially paving the way for the emergence of the first life forms. The exact process of protobiont formation is still an area of active research and investigation.

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What did scientists think life evolved from?

Scientists believe that life on Earth evolved from simple molecules such as amino acids and nucleotides that formed in early Earth's environment. These molecules gradually combined and evolved to form more complex molecules and eventually led to the emergence of living organisms. This process likely occurred over millions of years through a series of chemical reactions.


Do you think that scientists still believe the cell theory today?

Yes, scientists still believe in the cell theory today because it is a well-established and widely accepted principle in biology. The cell theory states that all living organisms are composed of cells, and all cells come from pre-existing cells through cell division.


Which group of prokaryotes do scientists think may be ancestors of eukaryotes?

Scientists think that archaea may be the group of prokaryotes that are most closely related to the ancestors of eukaryotes. This is based on genetic and biochemical similarities between archaea and eukaryotes, as well as the shared presence of certain cellular structures and processes.


How do do scientists study evolution of plants?

Plants and green algae have the same types of chlorophyll and carotenoids in their cells so scientists think plants and green algae have a common ancestor.


What do many scientist think the first Americans came from?

Many scientists believe that the first Americans came from Asia, migrating into North America via the Bering land bridge during the last Ice Age. This migration is estimated to have occurred around 15,000-20,000 years ago.