Origin of eukaryotes

Question 1

When were eukaryotes able to evolve

Answer 1

once there was a permanent source of oxygen

Question 2

When did eukaryotes emerge?

Answer 2

2.1 Billion years ago

Question 3

How are eukaryotic cell thought to have evolved?

Answer 3

prokaryotic cells engulfed, symbiotic relationship arose

Question 4

What organelles arose through endosymbiosis theory?

Answer 4

Mitochondria, Chloroplast, Flagella, Mitosis