Classify each event in the history of life into the appropri

Classify each event in the history of life into the appropriate eon or era. Drag each phrase to the appropriate bin. The age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. The time required for half of a radioactive

Solution

The following events are classified into appropriate era or eon

Hadean eon - Origin of earth

Archaean eon - Oldest fossils of cells (prokaryotes) appear.

Proterozoic eon - Oldest fossils of eukaryotic cells appear.

Paleozoic era - The cambrian explosion, First tetrapods and insects appear.

Mesozoic era - Dinosaurs evolve and radiate, Origin of mammals.

Cenozoic era - Humans appaer, Major radiation of pollinating insects.