# data[].attributes.body
the Precambrian was the "age of early life."

When the earth was first made it was to hot for life. The Precambrian was 4.6 billion years ago.

# data[].attributes.body
the Cenozoic era was the shortest era of them all. This era is about the age of mammals.

# data[].attributes.body
the Mesozoic Era is about the age of reptiles. the Mesozoic Era lasted 186 million years.

# data[].attributes.body
the Paleozoic Era lasted about 289 million years long. the Paleozoic Era was about ancient life

# data[].attributes.attachment_link.title
Life Before Mammals in the Late Paleozoic Era (When Animals Moved to Land!) | GEO GIRL