A STEP BACK IN TIME.

PRECAMBRIAN!

• It was 4.6 billion years ago, before man, before dinosaurs, before life.
• The earth had no water it was toxic. than a giant icy planet smashed into earth and the oceans slowly formed.
• The only life was tiny cells in the icey planet, but where did they come from? No one knows.

CAMBRIAN!

• It is 488 million years ago.
• Hundreds of animals suddenly evolve from nowhere.
• Among the most common are arthropods.
• The land is toxic but the ocean is filled with life.
• Life that couldn't look any more strange, but among them is our own ancestors, fish.

ORDOVICIAN!

• 444 million years ago fish where still small but invertebrates where large and in charge.
• Giant sea scorpions and 5 meter long squid ruled the sea but the air is still toxic for there are no plants.
• One day an ice age consumes the ocean so the scorpions and squid have left and the fish take their spot.
• Soon fish and their decedents will conquer the earth.

SILURIAN!

• 416 million years ago fish conquered the sea and evolved jaws.
• Soon coral evolves and fills the shallow waters with colors.
• Scorpions and squid still roam the earth but there smaller and less of a threat.
• Meanwhile a new group of life conquers land, plants.
• Taking out carbendioxyy and replacing it with oxygen.

DEVONIAN!

• 358 million years ago fish turned the seas into a blood bath.
• It is filled with armored fish and the very first sharks live in a dangerous world.
• Also taking control of land is a new group of animals, amphibians.
• The atmosphere is no longer toxic so animals can enter land.
• Even though vertebrates have won againts the arthropods the battle is not over.

CARBONIFEROUS!

• 299 million years ago fish still rule the seas, but arthropods rule the land.
• There were 9 foot centipedes, 3 foot dragon flys, and 5 foot scorpions.
• There were giant plants so more oxygen and that made arthropods bigger.
• Along with the first insects were the first reptiles.
• There was soon not enough carbendioxy too provide the plants and than not enough oxygen too provide the giant arthropods.

PERMIAN!

• 251 million years ago the earth was hot giving rise to the rule of reptiles, but they were difrent.
• They were related to mammals. Even though they were the ruling animals most were going extinct.
• One day underground magma was brewing it suddenly squirted out of the earths crust.
• Toxic gasses were reliced in the air poisoning life into extinction.
• Only 10% of all life survived to repopulate the earth and create the animals we know today.

TRIASSIC!

• 200 million years ago after a mass extinction the earth has recovered.
• But new groups of animals enter the earth, small mammals, reptiles in the sky and sea.
• Not to mention the very first dinosaurs. They started out small but will soon have world domination.
• But for our future lords of the earth they were not much of a threat to the giant crocodiles and mammal like reptiles.
• All the continents were fused together to make a super continents called Pangia. But Pangia was spliting apart.

JURASSIC!

• 145 million years ago dinosaurs took over the world.
• Also pterosaurs (Flying reptiles) took over the sky and plesiosaurs (Marine lizards) took over the ocean.
• Mammals still live under the shadows of giant reptiles. Then a new group of animals came in, birds.
• The world was filled with giant sauropods and allosaurss. .
• As big as these reptiles are there are much bigger reptile 100 million years later.

CRETACEOUS!

• 65 million years ago dinosaurs became the biggest and deadliest animals to ever exist.
• Every continent was dominated by giant reptiles. Even Antarica.
• On the other hand mammals and birds aren't getting any bigger, and the first flowers evolved.
• Now life seems to be going pretty good until the invader from space.
• An astroid hit the earth killing every thing bigger than a dog. Giving rise to mammals.

PALEOCENE!

• 23 million years ago the dinosaurs are gone and the earth is rulled by mammals.
• Mammals were small at the beginning and under the rule of snakes and birds.
• Soon the mammals grew huge and took control of the land and even the ocean.
• Every where you looked were mammals, large mammals.
• Survival in the harsh changing world was simple for these adaptable mammals.

NEOGENE!

• 10,000 years ago this world was filled with giant beast on land.
• Eventually 2 million years ago man entered the earth.
• Soon 1 million years ago the earth the earth moved backwards and froze.
• The world was filled with wooly rhinos, american camels, ground sloths, saber toothed cats, and mammoths.
• Eventually the earth moved back to normal and the mega beast went extinct.

MODERN TIMES.

• Us humans have conquered the earth and rulled the earth.
• We have built cities and discovered electricity.
• But what we have done most is harm the environment.
• We cause the extinctions of multiple species.
• It is important to keep our world clean and safe for animals.

THE END!