Answer :
Answers:
Quaternary Period
Reason:
Cenozoic Era consists of two periods
a) Tertiary Period
b) Quaternary Period
The Quaternary Period began with the last ice age and includes the present. It consists of two epochs
a) Pleistocene Epochs
b) Holocene Epochs
The period before the last ice age is called as Tertiary Period and it includes five epochs - Paleocene, Eocene, Oligocene, Miocene, and Pliocene Epochs