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Prehistoric Life

Within Science

An icon of a woolly mammoth against a snowy scene with an icy river and snow-capped mountains. Text reads, “All About Woolly Mammoths for Kids.”

Color illustration of a tree with several long spikes of golden resin extending down and running along a branch.

Illustration of two people kneeling next to a dinosaur skull that is larger than they are. Caption: A T. rex skull can weigh up to 750 pounds.

Digital illustration shows three brontosauruses lounging in the jungle against a partly cloudy sky. Text reads, “Dinosaurs.”

Computer rendering of an olive green and brown Tyrannosaurus rex standing on its hind legs and tilting slightly forward.

Person laying on the ground with tools and buckets spread around them. No Trespassing sign. Caption: The paleontologists in the field uncover an exciting find.

A large dinosaur wearing a hat and a necklace changes the lightbulb on a streetlamp while a police officer stands next to her holding the light cover. Caption: She was the dinosaur who did favors for anyone who asked.

A sketch of a dinosaur, and a man is seen standing below. Caption: Argentinosaurus, 35 meters approximately equals 114 feet. 70 metric tons approximately equals 154,000 pounds.

A cartoon shows a large python wrapping its body and squeezing a small crocodile.

Black and white photo of ancient rock drawings, including a kangaroo, deer, and a lot of scribbles.

Man stands in front of a black background as he talks to us.

View from space of a prehistoric earth that is mainly covered in land and slim streams of water in between the two land formations.

Illustrated copepods of different colors, shapes, and sizes. Text reads, “Copepods.”

Slow moving current passes by a grouping of rocks partially covered with moss.

An illustration depicts a pair of reptile like dinosaurs running in a desert. Image credit: Ceri Thomas.

Two rat like creatures are seen fighting. Caption: Illustration by Velizar Simeonovski, copyright Darin Croft. From horned armadillos and rafting monkeys: The fascinating fossil mammals of South America.

Bright neon green waves crash to shore with text below that reads, "Harmful Algal Blooms."

Computer rendering of a walrus perched on the shore, rearing is head back with mouth open, showing 4 long, thick teeth protruding from its gums on the top and bottom.

Digital graphic of the carbon cycle shows a factory producing fossil fuels that go into the air, and then into the soil, which goes into the water, and into the sediment under the water. Arrows move in a circle to show how the cycle goes on and on. Text reads, “Carbon Cycle.”

Dickinsonia fossil from the Ediacaran that is symmetrical and round with rib-like segments that are radially inclined towards the wide end from a central ridge.

Male lion roars at us.

An illustration depicts a theropod dinosaur, looking into a nest with eggs and newborn dinosaurs.

Woman stands in front of a black backdrop and talks to us like she's doing an interview.

Colorful timeline labeled “Cenozoic Era” that starts at 66 MYA in light green to Present Day in light yellow. In the middle there is a dark green block labeled, “Eocene Epoch.”

An illustration of a Daphoenus Demilo.

A cartoon shows the skeletal structure of a giant dinosaur.

Illustration shows an interpretation of how a hell pig would look like in the desert. The pig looks like a longer warthog with a long nose and prominent cheekbones.

A Wooly Rhino is grazing on the slope of a mountain.

A painting depicts scientists comparing Piltdown Man's remains to other species. Charles Dawson and Sir Arthur Smith Woodward are seen standing together.

An illustration depicts an old shepherd, wearing clothes made from animal leather, sitting on a rock.

Woman stands in front of a black backdrop like she's doing an interview.

An illustration depicts a pair of dinosaurs fighting each other.

Museum with large recreations of ancient mammals such as a deer, armadillo-like animal, and a rhino ancestor with a long neck and small head called a Paraceratherium. People walk at the feet of the statues.

Aerial view of a crocodile peeking its head up slightly above bright green water.

South America with different colors representing different parts of the continent. The large green area that has a river drawn across it is labeled, “Amazon Biome.” The rest of the land is colored in different shades of brown.

Sandy path with differently-shaped footprints in the sand. There's a light tan rock in the middle of the area.

Man faces camera against a black background, gesturing with both hands out and forward.

An illustration depicts the dinosaur, Coelophysis, with new born Coelophysis in between its beak.

The sculpture, of a dragon sprawled, at the steps of Kinh Thien palace. Caption: Remains of Kinh Thien Palace.

$Computer rendering of how earth might have looked billions of years ago. It's mostly white and light gray with a fracture of blue down the middle along the horizontal axis.$

An illustration depicts the earth of 50 million years ago, with a supercontinent Laurasia. Caption, Paleographic animation by C R Scotese.

Computer rendering of a dinosaur skeleton depicting a creature with short front arms and a long tail that walks on its hind legs.

Herd of reindeer passes through a snowy clearing with tall trees in the distant background. Some reindeer lean down, pushing their snouts into the snow.

A giant deer roams a grassland.

An illustration of a hyaenodont. Caption: Illustration by Alan Turner and Maurico Anton.

A skull from the fossils of Homo floresiensis, and a rough sketch of the limbs of the fossil remains are presented.

A pair of Ichthyosaurs hunting prey in the sea.

A large group of penguins.

Woman talks to us in front of a black background like she's doing an interview.

A painting of a flooded forest, and insects are seen crawling on the tree surface.

A group of Hippos and Giraffes are grazing in a forest.

A group of four legged terrestrial creatures. Caption: Synapsids.

Man talks to us in front of a black background like he's doing an interview.

An illustration of a male Woolly mammoth.

Fossilized remains of the skull of an animal with large teeth. Caption: from the evidence they left behind.

A close up of an imprint in the shape of a shell left in the rock. Caption: An imprint of the organism is left in the rock.

Title text reads, "Fossils for Kids," over a digital illustration of various dinosaur skeletons.

A diagram showing the transition from Reptiles (dinosaurs and crocodile-like animal) to Archaeopteryx (feathered animal between a reptile and a bird), to Birds. Caption: between birds and reptiles.

Illustration of a four-legged animal standing in shallow water on top of a layer of rock. Caption: Many things must happen for an animal to be fossilized.

An illustration of a dinosaur standing on two legs with large teeth and an open mouth. Caption: Roar!

Cartoon purple dinosaur with short arms and sharp teeth walks on its hind legs past a backdrop of red and green bushes and palm trees.

Closeup of a cartoon dinosaur with a goofy expression on its face as it looks down at us with almost crossed eyes.

Tan cartoon dinosaur with a long neck and buck teeth stands in a grove of palm trees.

Olive green cartoon dinosaur stands on its hind legs with a short arm held out. Two green dinosaurs walk past palm trees and red rock cliffs underneath a blazing sun in the background.

Brown cartoon dinosaur stands on its hind legs with a short arm held up beneath a blazing sun and green hills in the background.

Mustard yellow cartoon dinosaur with short arms holds up a leaf as an umbrella while rain falls around it.

Mustard yellow cartoon dinosaur with short arms and orange stripes on its back looks at us with wild eyes as it passes through a brown field with leafless trees.

Peach and brown cartoon dinosaur holds up it winged arms and sharp claws as it looks at us with wild eyes.

Green cartoon dinosaur with a turtle-like face and brown spikes on its back stretches an arm out to one side while the other holds a purple artichoke-like microphone up to its clenched mouth.

Light purple cartoon dinosaur with wings and a long orange beak perches on a branch and holds one wing out while glancing over its shoulder.

Light gray cartoon dinosaur with short arms and a goofy expression stands in front of a mound of dirt with palm trees sticking out.

Brown cartoon dinosaur with short arms looks up with fear on its face as the shadow of another dinosaur hangs over it.

Two saber-toothed cartoon tigers rest next to each other, one looking down at the other who lies on its stomach and looks to the side.

Olive green cartoon dinosaur with kite-shaped spikes on its back walks past a peach colored building with a green and white striped canopy next to a stop sign.

Long-necked green and white cartoon dinosaur stands beside a long-necked gray dinosaur that bends down toward a patch of grass.

Green cartoon T-rex wears a crown and holds one claw up as it looks towards us in front of a volcano and palm trees.

Long-necked blue cartoon dinosaur with cream colored stripes stands as tall as a building next to it. Dashed line with orange markings beside each floor measures the height of the building.

Smiling cartoon woolly mammoth dips its tusks in the snow on the ground with trees and icy mountain peaks in the background.

Color illustration of early humans wearing animal skins and carrying spears through a mountainous, snow-covered landscape.

Man in glasses parts lips in mid-speech. Bookshelves and art supplies line walls in background. Title card reads, "How to fly. Stay in the air."

Illustration of an animal with a long neck and dinosaur-like head emerging from the water. Spanish captions.

Still image from: Lab Six: Dinosaurs (Spanish)

Still image from: Lab Six: Turtles II (Spanish)

Central point of light surrounded by nebulous cloud-like structures and glowing light. Caption: The intense light of a supernova travels outward,

Color illustration of a grimacing dragon walking through a hazy forest.

Still image from: Mossback's Northwest: Bison Hunters in the San Juans

Street view of the entrance of a large, ornate stone building with 4 Roman-style pillars and wide stairways leading up to it. Several banners advertising different museum displays hang on the building or between pillars.

The front of a large building with animal scenes carved into the cement at the top of it. In front of the staircases leading up to the entrance is a gray statue of 2 large cats crouching with text underneath that reads, "La Brea Tar Pits and Museum."

Complex diagram indicating the relationship of different species of organisms. Caption: and are separated on the theropod family tree.

Two people with tools in their hands in a desert-like setting, digging in a mound of earth. Caption: Searching for these 112 to 98 million-year-old remains,

A woman seated at a desk in a suit jacket surrounded by books and preserved specimens. Inset picture: Bear-like creature - Caption: Beardogs! … They're a thing. As named, they resemble a mash-up for a bear and a dog.

Fossilized outline of a fish in stone. Caption: and eventually turns to stone.

Person holding a large animal skull. Caption: The teeth on this thing are huge.

Still image from: SciShow Kids: 5 Giant Ice Age Animals

Still image from: SciShow Kids: Dig In to Paleontology

Still image from: SciShow Kids: Get to Know a Dinosaur

Still image from: SciShow Kids: What Happened to the Dinosaurs?

Still image from: SciShow: 4 Billion Years in Under 10 Minutes

Still image from: SciShow: Arctic Bison Mummy

Still image from: SciShow: Why No Giant Mammals

Still image from: Short Takes With Naturalist Rudy Mancke: Mammoth Tooth

Still image from: Short Takes With Naturalist Rudy Mancke: Shark Tooth

illustration of Coelophysis. On screen text, dinosaurs. Caption: Female, Coelophysis lived about 220 million years ago.

Person speaking. Caption: To de-extinct a species requires finding viable DNA,

Skull of a dimetrodon and a human side by side. The temporal opening on both skulls is highlighted. Caption: allowing for improved chewing and biting capabilities.

Host Emily talks to Lance Grande at the Fossil Lake in Wyoming. Caption: One of the longest-lived lake systems we know of

Two people sitting side by side at a table working on something under a bright light. Caption: Then you scrape the matrix from the fossils.

Person holding a fossil of a spiral shaped animal. Caption: Hildoceras bifrons is an extinct species of ammonite

Illustration of a giant shark dwarfing the whales it swims with and is about to bite into one. Caption: megalodon was maybe 50 feet, or 15 meters, in length.

A diagram titled, ghost lineage, shows cars of different ages.

Person speaking. Caption: Well, today we're gonna talk about mammalian diversification.

Large skeleton with tusks in a museum. Mastodons were around about 20 million years before mammoths. Caption: Mastodons were on Earth before mammoths,

Illustration of large mammals with curving tusks. Caption: and many of his paintings hung with the articulated skeletons

Person gesturing towards preserved remains of a dinosaur. Caption: This shape tells us that it's a meat-eating dinosaur.

Black and white photo of a partially exposed fossil in the ground. 1900 field museum geology expedition (in which the brachiosaurus is found). Caption: It was declared the largest dinosaur known

Person using a wooden mallet to break open a stone. Caption: About half have something in them.

A large ship is in the water piping fossil fuels. An expanded view from the ship depicts a man researching in a lab setup. Caption: What happens over the last 70 million years.

Illustration of globular organisms with fine hairs projecting from their body. Caption: When they die, their shells become part of the sediment.

Cartoon of a group of large cat-like animals with two protruding fangs. Caption: (narrator) This tells us a little about the life of baby saber-tooths.

Illustration of a man standing with his arm out to touch a skeleton so large most of it is not captured in the image. Caption: the first model of a complete dinosaur skeleton.

Cartoon characters in prehistoric times standing among large dinosaurs. Caption: They're even good mothers.

Barren, brown landscape with low, flat-topped hills. Caption: This is a journey into a very, very distant past.

Dinosaurs running across a sandy expanse bordered by low trees. Caption: This area was home to some of the iconic dinosaurs --

Partially exposed fossil in rocks and sand. Caption: We may not have that in any other specimens.

Person carefully handling a very small humanoid skull. Caption: that researchers dubbed "the hobbit."

Bones of a skeleton laid out in relation to each other. Caption: In 1974 scientists found Lucy -- a hominid species

Person kneeling on the ground and reaching for an object. Caption: It's the ancient graveyard of a lost civilization.

Rocky hillside with a few small plants. Caption: this barren desert was covered by a vast inland sea.

On a split screen, a man stands inside an archeological dig site, his arms wide open. On the right side is a digital art depiction of a green dinosaur, standing on its back legs. Below it is the text, “Allosaurus.”

Girl stands on a platform, looking up at the displayed bones of a dinosaur at a museum. Text reads, “Cleveland Lloyd Dinosaur Quarry.”