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4.6 BILLION YEARS AGO
The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula

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The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon, which is named after Cambria, the Latinised name for Wale

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4.6 BILLION YEARS AGO

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The Hadean Era lasted about 700 million years, from around 4.5 billion years ago (bya) to around 3.8 bya. As you might imagine, no life could have survived the 

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4.6 BILLION YEARS AGO

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4.5 BILLION YEARS AGO
Earth formed from debris orbiting around our sun about 4 ½ billion years ago.

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The Hadean Era lasted about 700 million years, from around 4.5 billion years ago (bya) to around 3.8 bya. As you might imagine, no life could have survived.

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4 BILLION YEARS AGO

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During the Archean Eon, methane droplets in the air shrouded the young Earth in a global haze.

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4 BILLION YEARS AGO

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Cyanobacteria, also known as Cyanophyta, are a phylum of Gram-negative bacteria that obtain energy via photosynthesis.

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3.5 BILLION YEARS AGO

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Invertebrates are animals that neither possess nor develop a vertebral column, derived from the notochord.

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3.5 BILLION YEARS AGO

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During the Archean Eon, methane droplets in the air shrouded the young Earth in a global haze.

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2.5 BILLION YEARS AGO

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The Proterozoic is a geological eon spanning the time interval from 2500 to 541 million years ago. It is the most recent part of the Precambrian "supereon."

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2.5 BILLION YEARS AGO

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These primitive bacteria produce oxygen during photosynthesis as they fix CO2 dissolved in the water.

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2.4 BILLION YEARS AGO

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The Huronian glaciation was a glaciation that extended from 2.4 billion years ago to 2.1 Gya, during the Siderian and Rhyacian periods of the Paleoproterozoic e

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2.4 BILLION YEARS AGO

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1 BILLION YEARS AGO

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850 - 635 MILLION YEARS AGO
The Cryogenian is a geologic period that lasted from 720 to 635 million years ago. It forms the second geologic period of the Neoproterozoic Era, preceded by the Tonian Period and followed by the Ediacaran.

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The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.

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600 million years ago

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Around 600 million years ago, the first multicellular organisms appeared on Earth: simple sponges.

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APPEARANCE OF THE FIRST MULTICELLULAR ORGANISMS

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APPEARANCE OF THE FIRST MULTICELLULAR ORGANISMS

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600 MILLION YEARS AGO

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The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon, which is named after Cambria, the Latinised name for Wale

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541 MILLION YEARS AGO

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The earliest vertebrates were jawless fish, similar to living hagfish. They lived between 500 and 600 million years ago. They had a cranium but no vertebral col

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525 MILLION YEARS AGO

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The Proterozoic is a geological eon spanning the time interval from 2500 to 541 million years ago. It is the most recent part of the Precambrian "supereon."

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541 million years ago

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The Phanerozoic Eon is the current geologic eon in the geologic time scale, and the one during which abundant animal and plant life has existed.

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541 MILLION YEARS AGO - TODAY

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541 MILLION YEARS AGO

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The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.

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541 MILLION YEARS AGO - 485 MILLION YEARS AGO

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500 MILLION YEARS AGO

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480 MILLION YEARS AGO

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470 MILLION YEARS AGO

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Ordovician Period, in geologic time, the second period of the Paleozoic Era. It began 485.4 million years ago, following the Cambrian Period, and ended 443.8 mi

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485.4 MILLION YEARS AGO - 443.8 MILLION YEARS AGO

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The Andean–Saharan Ice Age lasted 30 million years during the Ordovician and Silurian Periods, from 460 to 430 million years ago, as volcanic activity and weath

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460 MILLION YEARS AGO

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Around 443 million years ago, 85% of all species on Earth went extinct in the Ordovician-Silurian extinction. 

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450 MILLION YEARS AGO

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443.8 MILLION YEARS AGO TO 419.2 MILLION YEARS AGO

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419.2 MILLION YEARS AGO - 358.9 MILLION YEARS AGO

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375 MILLION YEARS AGO
Devonian extinctions, a series of several global extinction events primarily affecting the marine communities of the Devonian Period (419.2 million to 359 million years ago). ... Some of these are known to be periods of significant extinction, and all are associated with some faunal anomaly in marine strata.

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370 MILLION YEARS AGO
The first major groups of amphibians developed in the Devonian period, around 370 million years ago, from lobe-finned fish

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360 MILLION YEARS AGO
The late Paleozoic icehouse, also known as the late Paleozoic ice age and formerly known as the Karoo ice age, occurred from 360 to 260 million years ago (Mya),

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359.2 million years ago - 318.1 million years ago

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315  MILLION YEARS AGO

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323.2 MILLION YEARS AGO - 298.9 MILLION YEARS AGO

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252 MILLION YEARS AGO

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251 MILLION YEARS AGO
Permian extinction, also called Permian-Triassic extinction or end-Permian extinction, a series of extinction pulses that contributed to the greatest mass extinction in Earth's history.

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251 MILLION YEARS AGO

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298.9 MILLION YEARS AGO - 251.9 MILLION YEARS AGO

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251.9 MILLION YEARS AGO TO 201.3 MILLION YEARS AGO

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230 MILLION YEARS AGO

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201 MILLION YEARS AGO
Triassic-Jurassic extinction, global extinction event occurring at the end of the Triassic Period (about 252 million to 201 million years ago) that resulted in the demise of some 76 percent of all marine and terrestrial species and about 20 percent of all taxonomic families.

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178 MILLION YEARS AGO

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145.5 MILLION YEARS AGO - 66 MILLION YEARS AGO

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THE APPEARANCE OF THE FIRST FLOWERING PLANTS

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THE APPEARANCE OF THE FIRST FLOWERING PLANTS

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130 MILLION YEARS AGO

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66 MILLION YEARS AGO - TODAY (STILL GOING ON)

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66 million years ago

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65 MILLION YEARS AGO

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65 million years ago - 2.588 million years ago

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60 MILLION YEARS AGO

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2.6 MILLION YEARS AGO - TODAY

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2.58 million years ago - NOW

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2 MILLIONS YEAR AGO