Can you list 8 different periods of the earth?

Question

I need help with my portfolio.

Answer 1

This will be set up like: Period-Event

Cambrian-Invertebrate sea life proliferating during this and the following period

Ordovician-Diverse marine life, including vertebrates; vascular plants

Silurian-Coral reefs; giant scorpions; first jawed fish

Devonian-Numerous fishes, other sea life; many plants, first trees; wingless insects

Carboniferous-Maximum coal formation in swampy forests; insects, amphibians, reptiles; fishes, clams, crustaceans

Permian-Large reptiles, amphibians; most species become extinct

Triassic-Early dinosaurs, crocodiles, turtles; first mammals

Jurassic-Many seagoing reptiles; early large dinosaurs; later, flying reptiles (pterosaurs), earliest known birds

Cretaceous-Dinosaurs and other reptiles dominate; seed-bearing plants appear

Paleogene-Rich insect fauna, early bats, increasingly diverse varieties of mammals and birds

Neogene-Further development of mammals and birds. Various forms of humans, including Homo sapiens

Hope this helps!

Answer 2

Thank you, :) It does help.