A scientist studies information related to the Cenozoic era to determine what era the Eocene period belongs to on the geologic time scale.
What is the Cenozoic era?
The Cenozoic era is Earth's current geological era, which represents the Earth's history of last 66 million years. This Era is best known as the Age of Mammals because in this age the largest land animals were mammals.
The major events of Cenozoic Era includes- the rise of mammals, climate change, mass extinctions, and the movement of continents into their present positions.
What is the Eocene period?
The Eocene period is known for containing the warmest period during the Cenozoic. This period marked the decline into an icehouse climate and rapidly expanded the the Antarctic ice sheet. A transition took place in the Eocene period at around 49 million years ago. The transition happened from a warming climate into a cooling climate.
What is the Geologic time scale?
The Geologic time scale is considered the 'calendar' for events in Earth history. This scale represents the timeline based on the age of rocks and fossils, and the events that formed them.
What did scientists do to determine what era the Eocene period belongs?
In order to determine what era the Eocene period belongs to, on the geologic time scale, scientists study information that are related to the Cenozoic era.
It is determined by the scientists that Cenozoic era hosts the Eocene period. This Eocene period lasted between 56 to 33.9 million years ago, and this timeline falls in the Cenozoic era.
Hence, option B is correct.
To learn more about Cenozoic era and Eocene period here:
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