Through Life Emily Klassen

The Achean time period

The Archean time period happened about 4000 to 2500 million years ago. This is the time where the earths crust has cooled and everything is starting to form. The type of life that was currently there bacteria and blue and green algae.

Paleozoic Era

The Paleozoic Era was about about 542 million years ago to 251 million years ago. The era began with the breakup of one continent and the formation of another. Plants became widespread. And the first vertebrate animals roamed the sea.

Permian Time Period

The Permian period ended in the largest extinction the Earth has ever known, began about 299 million years ago. The emerging continent of Pangaea presented severe climate and environment due to its vast size.

Cambrian Period

The Cambrian Period is the first geological time period of the Paleozoic Era. This period lasted about 53 million years and marked a burst of evolutionary changes in life on Earth, known as the "Cambrian Explosion. The main organisms that live during this time was trilobites.

Mesozoic Era

The dinosaurs and the mammals appeared during the Triassic period, roughly 225 million years ago. The dinosaurs went extinct 65 million years ago. The Mesozoic Era lasted about 180 million years. the climate at this point was very warm and there was no polar ice.

JURASSIC PERIOD

The Jurassic Period was the second segment of the Mesozoic Era. It occurred from 199.6 to 145.5 million years ago. the animals that roamed was dinosaurs. the climate was hot and humid.

cretaceous Period

during the cretaceous period the main creature that roamed the earth was the dinosaur. The type of plants in this area were things like conifers and ginkos

Cenozoic era

The Cenozoic was only about 65 million years, from the end of the Cretaceous Period and the extinction of dinosaurs. The Cenozoic is sometimes called the Age of Mammals, because the largest land animals have been mammals during that time. the climate was tropical.

Oligocene Era

The Oligocene extends from about 33.9 million to 23 million years before the present era. the main creatures were mammals and reptiles.

pliocene era

the pliocene era lasted from about 5.333 million to 2.58 years ago and the creatures that lived there was the anseters of the present day wildlife.

holocene era

this period is the start of human existence. was about 11,700 years ago during the ice age.

Credits:

Created with images by hypotekyfidler.cz - "Life" • NIAID - "E. coli Bacteria" • Hans - "tree jungle green" • kevinzim - "trilobite" • 3i7 - "dinozaur lubin park" • Scott Kinmartin - "T-Rex Dinosaur" • Ben124. - "Crystal Palace Park" • cristianocani - "Castello del Conte Ugolino" • Dallas Krentzel - "Xenosmilus hodsonae" • James St. John - "Musa acuminata - banana trees (Watling's Well Banana Hole, San Salvador Island, Bahamas) 3"

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