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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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Earth timeline (in the making)
Category:
Storia
è stato aggiornato:
3 mesi fa
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52
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Created by
E.j
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Eventi
Earth was created
Earth is struck by Theia and creates the moon
Over 1.5 billion years Earth keeps getting hit by asteroids
Life started
Earth cools and gains water
Earth Become mostly or completely covered in water
Luca Decended
First large land mass emerges
Earth freezes over becoming the first snowball earth
Eukaryotic cells come into being
Eukaryotic cells evolve and develop sexual reproduction
Eukaryotic cells engulf photosynthetic bacteria
Multicellular organisms arise
Eukaryotes splits into the ancestors of modern plant, fungi and animals
First recognisable animal formed
Fungi evolve multicellular body plans
Early multicellular animals undergo their first split into sponges and Eumetazoa.
Placozoa breaks away from the rest of the Eumetazoa
Animals evolve bilateral symmetry
The Bilateria undergo an evolutionary split into protostomes and deuterostomes
Ediacarans appear
Ambulacraria breaks off of deuterostomes
chordates first appear
Ediacarans die out
The Cambrian explosion begins
The first true vertebrates appear
trilobites appear
Conodonts appear
Plants begin colonising the land
Parasites are around
animals were exploring the land
The bony fish split into the lobe finned fish and the ray finned fish
coelacanths split from the lobe finned fish
the lungfish split from lobe finned fish
plants with elaborate root systems that stabilize the soil grow
Insects appear
plants evolve woody stems
four-legged animals or tetrapod's appear
The oldest fossilised tree dates from this period
Tiktaalik an intermediate between fish and four-legged land animals appear
tetrapods make it on land
the amphibians split off of tetrapods
sauropsids and synapsids split off from tetrapods
a group of therapsids called the cynodonts evolve and becomes the first mammals
The Permian period ends with the greatest mass extinction including the last of the trilobites
as the ecosystem recovers dinosaurs rule the earth
the ammonites evolove
Proto-mammals evolve warm-bloodedness
early dinosaurs are already evolving into birds
the Triassic period comes to an ends and another extinction event happens
The first split occurs in the early mammal population.
Epidexipteryx lives
placental mammals split from their cousins the marsupials
Archaeopteryx the famous “first bird” lives
Eoconfuciusornis a bird rather more advanced than Archaeopteryx lives
Flowering plants begin growing
The Cretaceous dinosaurs reach their peak in size
The giant sauropods Argentinosaurus and Patagotitan lives
The oceans become starved of oxygen
27% of marine invertebrates are wiped out
The ancestors of modern primates split from the ancestors of modern rodents and lagomorphs
Grasses evolve
The Cretaceous-Tertiary extinction wipes out a swathe of species
The primates split into two groups, known as the haplorrhines, strepsirrhines
The tarsiers, split from the rest of the haplorrhines: the first to do so
The Palaeocene-Eocene Thermal Maximum happens
Archicebus, one of the earliest primates lives
one group of artiodactyls evolves into whales. Early forms include Pakicetus.
Indohyus lives
The famous fossilised primate known as “Ida” lives
Early whales called protocetids live
The platyrrhines become the first simians to diverge from the rest of the group, when they cross the Atlantic too South America.
Some plants evolve C4 photosynthesis
Apes split from the monkeys and diversify.
Gibbons become the first ape to split from the others
The ponginae branch off from the other great apes, spreading to southern Asia while their cousins remain in Africa
Gorillas branch off from the other great apes
The ancestors of humans diverge from those of their closest relatives
Our human genus, Homo, appears in Africa.
A 700-kilogram rodent called Josephoartigasia monesi lives
Periodi
The Great oxidization event happens
Earth freezes over again
The placental mammals split into their four major groups: the laurasiatheres, euarchontoglires, Xenarthra, afrotheres
fish split into the bony fish and cartilaginous fish
Fish with teeth appear
The Late Ordovician mass extinction happens
The Late Devonian mass extinction occurs
pelycosaurs evolve into therapsids and eventualy replace all pelycosaurs
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