Evolution of earth and organisms

4.4-4.5 billions of years ago

Mar 6, 1600

earth's hot harsh environment cool and endless rain for millions of years.

3.5billion years ago

Jun 1, 1700

environment is less hearsh. simple organisms. ocean is forming slowly. atmosphere is being introduced with more and more oxygen.

cambrian

Mar 6, 1750

diverse trilobites. earliest reefs and fish.

devonian

Mar 6, 1800

early amphibians ammonoids, and sharks. exctinction of armored fish

triassic

Mar 6, 1870

pangea begins to break up. mass excintion of marine animals including trilobites. earliest known mammals, dinosuars and coral groups.

mesozoic

Mar 6, 1900

dinosuars become exctinct(late mesozoic). earliest flowering plants(early).

jurassic

Mar 6, 1907

abundance of dinosuars. earleist known birds.

cenozoic

Mar 6, 1910

abundance of mammals. humans evolve(late)

industrial revolution

Mar 6, 1956

increased technology and factories used to maked humans lives easier and lazier

technology. is it a blassing or a curse

Mar 6, 2009

obesity is at it's highest and some technology is bad for the environment