Precambrian Earliest
- This was the time where the firs single celled beings thrived and they went through extreme conditions. They later became multicelled organismed.
Cambrian 540 mya
- A large amount of organisms with different shapes and sizes.
- The first animals with backbones were present.
- Mostly carbon dioxide in the air in this time period.
Ordovician 490 mya
- There were many animals without skeletons.
- Early shellfis, trlobites, nautilus, starfish and fish.
- First green plants and fungi.
- End of the Ice age period.
Silurian 443 mya
- First advanced plants.
- First Jawed fish with exoskeleton.
- More shellfish.
Devonian
- First ferns.
- The earliest fir trees with seeds.
- The first insects that were wingless.
- Amphibians.
- Animals from earlier period die out due to moist and cool climate.
Carboniferus 359 mya
- Enviroment has swampy lands.
- First appearance of coal forest.
- Early sharks, large trees larger than the ones we have now.
- First reptiles and vertebrates.
- Trilites dissapearing.
- Glaciers form.
- Appearance of winged insects.
Permian 290 mya
- Land masses were formed in to a whole continent called pangaea.
- Glaciers dissapear higher climate.
- Lots of reptiles.
- Cone bearing trees appear.
- Beetles and flies appear.
- Ocean life is in a large amount.
- 251 mya 95% life extinct.
Triassic 248 mya
- Dinosaurs appear
- First mammals and crocodiles appear
- Modern corals and fish
Jurassic 206 mya
- Lots of different dinosaurs
- Ferns and cone bearing plants
- Mammals common but small
- First birds and lizards
- Land mass, Pangaea break up into Gondwanaland and Laurasia
- High Carbon Dioxide levels
Cretaceous 144 mya
- Lots of dinosaurs including Tyrannosaurs
- New types of insects
- Flowering plants appear and become pentiful
- Modern Crocodiles and Sharks
- Early birds appear
- Gondwanaland breaks up
- Rocky Mountains appear
- Carbon dioxide similar to today
Paleogene 65 - 23 mya
- Modern plants
- Lots of different mammals
- Dinosaurs extinct
- Primitive whales
- First grasses
- Rapid changed in Mammals
- Climate coos
- Ice age begins and ends during this period
Neogene
- Modern climate
- Modern mammals and birds
- Horses evolve from dof like animal
- Lots of grasses
- First apes
- Southern Alps of NZ
Quaternary 1.8 mya - present
- Anatomically modern humans
- Human stone age culture
- Ice age comes and goes
- Sahara forms from grassland
- Humans begin agriculture
- Stone age Bronze age 3300 BC 1120 BC
- Industrial revoloution leads to rise in carbon dioxide levels
