Question

What happened on earth to allow for the formation of eukaryotic cells?

Photosynthesis in prokaryotes increased the levels of oxygen in the atmosphere.


There was a huge increase of available fresh water.


Multicellular organism adapted to the harsh conditions on the earth.

Answer 1

The correct answer is photosynthesis in prokaryotes increased the levels of oxygen in the atmosphere.

Step-by-step explanation:

The eukaryotic cells are first evolved from the prokaryotic cells.Some prokaryotic cells carried out photosynthesis by using water generates oxygen gas that is responsible for to increase the oxygen content of the earth.

The increased oxygen content of the earth helps in evolution of the eukaryotic cells .