Multicellular organisms first appeared during the Vendian period.
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
Silurian Period 408 - 438 Million Years Ago
The period where whales first appeated is to be during the Eocene Epoch (56-34 Million Years Ago).
The first mammals appeared during the Cretaceous Period.
About 526 million years ago during the early Cambrian period.
Cycads first appeared in the fossil record during the early Permian period, around 280 million years ago. They are often referred to as "living fossils" due to their ancient lineage and resemblance to plants from that era.
The jaguar first appeared during the Pleistocene Epoch, which lasted from about 2.6 million years ago to about 11,700 years ago. This time period is part of the Quaternary Period.
In the Cretaceous period.
Animal life first appeared in the oceans around 600 million years ago during the Ediacaran period.
it occurs in the precambrian period.