The first plant on land? Moss-like liverworts, 470 million years ago.

The first tree was a leafless giant called Wattieza.

The first forest blanketed Earth 385 million years ago.

The first plant to have roots? Rhyniophytes.

The first flower bloomed around 140 million years ago.

The first fruit? A tiny ancient berry-like seed.

The first seed-bearing plant was Elkinsia.

The first grass evolved 66 million years ago — dinosaurs munched it!

The first aquatic plant? Cooksonia, living partly underwater.

The first fungus colonized land before plants did!

The first life on Earth? Single-celled microbes in oceans.

The first photosynthetic organism? Cyanobacteria — Earth's oxygen makers.

The first animal with a spine was a jawless fish.

The first fish to evolve jaws was Dunkleosteus.

The first fish with lungs was Tiktaalik — part fish, part amphibian!

The first corals formed reefs 500 million years ago.

The first jellyfish appeared before dinosaurs — 500 million years ago.

The first insect was a wingless springtail.

The first sea scorpions ruled as ocean predators.

The first squid ancestor swam in the Cambrian seas.

The first sharks appeared 450 million years ago.

The first animal to walk on land was a millipede-like creature - Kampecaris obanensis.

The first spider spun silk 380 million years ago.

The first amphibian was Ichthyostega — part fish, part frog.

The first reptiles crawled onto land 310 million years ago.

The first dinosaurs stomped in the Triassic era.

The first flying reptile? Pterosaurs, not birds.

The first land-dwelling predator was a scorpion-like arthropod.

The first snake evolved from burrowing lizards.

The first crocodile ancestor walked like a dog!

The first dinosaur was Eoraptor — a small meat-eater.

The first long-necked dino was Plateosaurus.

The first dino to fly was Archaeopteryx.

The first horned dinosaur? Protoceratops.

The first feathered dinosaur was Sinosauropteryx.

The first dino fossil ever discovered was Megalosaurus.

The first herbivorous dinosaur was Iguanodon.

The first armored dinosaur? Ankylosaurus.

The first dino herd fossil was of Maiasaura — the "good mother lizard."

The first dinosaur extinction mystery still puzzles scientists today.

The first mammal was a shrew-like critter called Morganucodon.

The first marsupial was discovered in China.

The first placental mammal was Juramaia.

The first whales walked on land before diving into oceans.

The first elephants had straight tusks and short trunks.

The first sabertooth cat evolved before the Ice Age.

The first sloths were the size of cars!

The first woolly mammoth evolved 400,000 years ago.

The first giant ground birds were terror birds of South America.

The first rhino ancestor had no horn — just a heavy snout.

The first primate was Purgatorius, a tree-climber.

The first ape-like creature was Proconsul.

The first bipedal ancestor? Sahelanthropus.

The first tool-using human was Homo habilis.

The first controlled fire was lit by Homo erectus.

The first cave painter? Homo sapiens in Europe.

The first burial of the dead? Neanderthals did it with care.

The first human migration out of Africa happened 60,000 years ago.

The first clothes were made from animal hides.

The first human footprints? Preserved in volcanic ash in Africa.

The first supercontinent was Rodinia.

The first known mass extinction was the Ordovician event.

The first ice age hit Earth 2.4 billion years ago.

The first volcanic eruption formed early Earth’s crust.

The first great oxygenation event transformed the air.

The first lightning storms sparked pre-life chemistry.

The first earthquake shook Earth 3.5 billion years ago.

The first meteorite impact created craters still visible today.

The first tsunami shaped early coastal life.

The first coral reef bleaching happened in prehistoric warming events.

The first rocks formed 4.3 billion years ago.

The first ocean formed from steam and rain.

The first tectonic plates began drifting 3 billion years ago.

The first mountain range was the Barberton Greenstone Belt.

The first known river carved paths on early Earth.

The first desert was the Sahara — once lush!

The first glacier movement sculpted valleys.

The first volcano to shape a continent? Deccan Traps.

The first island chain was volcanic — like Hawaii’s ancestors.

The first supervolcano eruption blanketed half a continent.

The first moon was born from a planetary collision.

The first solar eclipse viewed by humans was feared as a god’s sign.

The first comet to strike Earth may have brought water.

The first asteroid caused the dino extinction.

The first aurora? A natural light show since ancient skies.

The first meteor shower ever recorded was in 36 AD.

The first solar flare impact disrupted Earth’s magnetic field.

The first moonquake revealed our satellite isn’t dead.

The first meteor crater studied was Barringer Crater.

The first sunrise on Earth shone over a lifeless sea.

The first rainfall formed rivers in Earth’s early days.

The first snow likely fell after the Great Oxygenation.

The first hurricane shaped coastlines long before humans.

The first weather system with clouds formed in the Proterozoic.

The first ozone layer formed from early plant gases.

The first El Niño disrupted marine life thousands of years ago.

The first coral reef was built by tiny Cambrian creatures.

The first rainforest emerged in the Carboniferous period.

The first desert winds carved ancient dunes.

The first seasonal cycle began with Earth’s tilt.

The first cold-blooded vertebrate was a jawless fish.

The first warm-blooded creatures were small, furry mammals.

The first photosynthesis created oxygen for life.

The first egg-laying animal was a sea creature.

The first live birth came from ancient aquatic reptiles.

The first metamorphosis happened in insects.

The first color vision developed in deep-sea shrimp.

The first migration path followed magnetic Earth.

The first camouflage creature? The trilobite.

The first social animals? Trilobite clusters!

The first bioluminescent glow came from ocean bacteria.

The first predator-prey interaction shaped evolution.

The first mutual friendship? Fungi & plants!

The first fossil ever found was a trilobite in the 1600s.

The first natural mummy was preserved in a bog.

The first discovered amber held ancient bugs.

The first living fossil? The coelacanth fish.

The first marsupial to cross oceans was the opossum.

The first venomous animal? Ancient sea worms.

The first natural “antibiotic” came from mold on plants.