Precambrian Era
When it Began?
4.6 billion years ago
It lastest for about 4 billion years,
making up 87% of Earth's history
Biology
Living things
Fungi
Chytrid fungus. A bacteria that kills frogs.
Bacteria
Bacteria began using photosynthesis
in order to gain energy
Blue green algae
Lived on land
Arthropods
Worms
Lived in water
protozoa
Jellyfish
Mollusks
Cells
Eukaryotic cells
Lead to the creation of plant and animal cells
What happened in the Precambrian Era?
The Precambrian time was the earliest time period of the history of Earth.
Created a crust around the Earth
Planet cooled down from the original molten state
Oceans were created from the water vapour in the atmosphere.
Canadian Shield
A landmass that has dated back to
4.2 billion years ago.
Biggest landmass on Earth that was from the Precambrian Era
Rain, ice, wind, and running water
eroded much of the surface of the
shield, though a lot of it is still there
There are rocks that date back about 4 billion years ago, and these rocks can still be found today.
Major Geological Events
Magma cooled down and formed crust cooled down, forming a solid crust.
Water vapor from the atmosphere
formed oceans.
May have created life with mineral-rich
under-water volcanoes
Facts about the Precambrian Era
- The same rocks that were in the Precambrian period can be found today.
- This time period makes up 80% of Earth's geologic record