MILLIONS YEARS AGO

THE EARTH DIDN'T LOOK AS TODAY

TERRIBLE STORMS, VOLCANIC EXPLOSSIONS, METEOR IMPACTS HURT EARTH

After millions years of volcanic eruptionsAfter millions years of volcanic eruptions

While the lava was changing the earth's face

... and huge steam clouds was covering the sky... and huge steam clouds was covering the sky

ON THE OCEAN FLOORON THE OCEAN FLOOR

IN SMALL PONDS...IN SMALL PONDS...

LIFE WAS LIFE WAS BORNING BORNING !!

STROMATOLITES ARE THE FIRST FOSSIL THAT AGESTROMATOLITES ARE THE FIRST FOSSIL THAT AGE

Stromatolites are commonly thought to have been formed by cementation Stromatolites are commonly thought to have been formed by cementation of sedimentary grains by microorganisms, especially cyanobacteria of sedimentary grains by microorganisms, especially cyanobacteria

(formerly known as blue-green algae)(formerly known as blue-green algae) Shark Bay (Australia)Shark Bay (Australia)

570 MILLIONS YEARS AGO

The Ediacaran fauna are ancient lifeforms, of the Ediacaran Period, that represent the earliest known complex multicellular organisms.

Trilobite precursor

Coralprecursor Jellyfish precursor

But, a rough ice age fell on EarthBut, a rough ice age fell on Earth

Many millions years after, life was coming back to born

540 MILLIONS YEARS AGO

EARTH HAS OTHER CONTINENT GRUPSEARTH HAS OTHER CONTINENT GRUPS

AND VERY STRANGE ANIMALS LIVED IN THE SEA

THE CAMBRIAN EXPLOSIONDESCRIBESTHE MAJOR

DIVERSIFICATION OF ORGANISMS.

IT IS A CHALlENGE TO

EVOLUTION

DURING THE CAMBRIAN A LOT OF LIFE MODELS WAS TRYING, BUT SOME OFF THEM VANISH OF THE FACE EARTH

ANOMALOCARIS: ARTHROPODA. IT WAS A GIGANTIC CREATURE, NEARBY 2 METER.

THE BIGGEST PREDATOR BY THE AGE

HALLUCIGENIA. ONICOPHORAN?ITS NAME IS AS ITS BODY, A HALLUCINATION

OPABINIA. IT LIVED ON TOP OF THE SOFT SEDIMENT ON THE

SEABED

PIKAIA. CHORDATE. PERHAPS IT IS THE OLDEST KNOWN ANCESTOR OF MODERN VERTEBRATES, INCLUDED THE HUMANS

MARELLA. ARTHROPODAIT FED ON ORGANIC PARTICLES

AND IT WAS CAPABLE OF WALKING AND SWIMMING

WIWAXIA: MOLLUSK OR ANELID ?WIWAXIA: MOLLUSK OR ANELID ?

PERSPICARIS WAS A PERSPICARIS WAS A STRENGE BIVALVED STRENGE BIVALVED ARTHROPODARTHROPOD

AYSHEAIA AYSHEAIA ONICOPHORA. ONICOPHORA. VELVET WARMVELVET WARM

IT LIVED IT LIVED WITHIN WITHIN

SPONGE SPONGE COLONIES AND COLONIES AND

MAY HAVE MAY HAVE PROTECTED PROTECTED ITSELF FROM ITSELF FROM PREDATORSPREDATORS

HAPLOPHRENTIS. MOLLUSK? THEY ARE ENIGMATIC ANIMALS WITH SMALL CONICAL SHELLS. THEY ARE CARNIVORES

NECTORASIS

VUAXIA

POLYCHAETEWORM

PIRANIA

OLENELLUS

DYCTIOPHICUS

CRINOIDEUSBURGESSIA

BRANCHIOCHARIS

BRACHIOPODOS

Burgess Shale FossilsBurgess Shale Fossils

500 MILLIONS YEARS AGO

THE LIFE WENT OUT THE THE LIFE WENT OUT THE WATER FOR CONQUER EARTHWATER FOR CONQUER EARTH

TO BE CONTINUED ...