Which of the following options lists major events in the history of life on Earth in the proper order, from earliest to most recent?
A) first prokaryotes, photosynthesis, colonization of land by plants and fungi, first eukaryotes
B) first eukaryotes, photosynthesis, colonization of land by plants and fungi, first prokaryotes
C) first prokaryotes, first eukaryotes, photosynthesis, colonization of land by plants and fungi
D) first prokaryotes, photosynthesis, first eukaryotes, colonization of land by plants and fungi

Question

Quizplus · Accepted Answer

The correct sequence is: first prokaryotes (which appeared around 3.5 billion years ago), followed by the development of photosynthesis (which began around 3 billion years ago, though oxygen levels did not significantly increase until about 2.4 billion years ago in the Great Oxygenation Event), then the emergence of the first eukaryotes (organisms with complex cells, appearing around 2 billion years ago), and finally the colonization of land by plants and fungi (which began around 500 million years ago).

Which of the Following Options Lists Major Events in the History