Hadean eon, archean eon, proterozoic eon, paleozoic era, Mesozoic era, and Cenozoic era were some important events in the history of life.
These all start with the Hadean eon, when the origin of the earth happened
Archaean eon was the event when the oldest fossils of prokaryotic cells appear.
Proterozoic eon event showed the oldest fossils of eukaryotic cells' appearance on earth.
The paleozoic era witnessed the first tetrapods and insects' appearance, and later the Cambrian explosion occurred.
The Mesozoic era was the time when dinosaurs evolve and radiate, which was followed by the origin of mammals on the earth giving birth to its offsprings rather than laying eggs.
The Cenozoic era witnessed the human's appearance on the Earth having some advanced structure brain than other mammals and then major radiation of pollinating insects.
To learn more about the Cenozoic era, follow the below link:
https://brainly.com/question/1367601
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Complete question:
The fossil record provides a glimpse into the evolution of life on Earth. It shows that there have been remarkable changes in the kinds of organisms that have been abundant at different times during the past 3.5 billion years. Part A - The history of life according to the fossil record. Classify each event in the history of life into the appropriate eon or era. Drag each phrase to the appropriate bin