HISTORY OF PLANET EARTH

Octavio Rodriguez Salcido 3A

MULTI-CELLULAR LIFE

0.8 BYA

oxygen starts building in the atmosphere

oxygen

2.3 BYA

First living cells capable of doing it

photosynthesis

3.5 BYA

LIFE BEGINS

3.8 BYA

Earth is formed

4.5 BYA

HISTORY OF PLANET EARTH

FIRST LIVING ORGANISMS

FIRST LAND ANIMALS

0.21 BYA

fishes land plants insects sharks amphibians

0.53 BYA

sea anemones

0.550 BYA

FUNGI

0.560 BYA

ozone layer

0.6 BYA

AGE OF DINOSAURS

tyrannosaurus

KILLING 75% OF AL SPECIES

MAX EXTINCTION

0.066 BYA

0.068 BYA

STEGOSAURus

FIRST DINOSAURS

0.176 BYA

LIONS

0.004 BYA

MAMMUTS

0.0048 BYA

FIRST APES

0.15 BYA

WHALES

0.04 BYA

WOLVES

0.35 BYA

HIPOS

0.005 BYA

ARMADILLOS

0.55 BYA

MAMMALS

tHAT LOOK LIKE US

HUMANS

0.0002 BYA

CATTLE

0.003 BYA

saber tooth tigers

0.0025 BYA

ALMOST HUMAN

lUCY

0.0032 BYA

"HUMAN" ERA