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Lake Superior in North America. Still waters Life on the edge Bulrushes and reeds often form a thick bed at a lake’s edge. Known ...

Pufferfish Jellyfish protect themselves with stinging cells on their tentacles, but these don't stop a turtle! Which of the crea ...

The ocean can be a dangerous place and sea creatures have developed a number of clever techniques to increase their chances of s ...

Earth has an incredibly long history, as it formed about 4,600 million years ago. Geologists divided the passage of time since t ...

Human beings (homo sapiens) didn't appear until very recently in Earth's history. The Cretaceous period was ruled by an amazing ...

Cold-blooded lizards have to warm up in sunlight; they cannot control their temperature. Are dinosaurs lizards? Age of the dinos ...

Meat-eaters had sharp claws. No. They are related, but the two groups are different. What is a dinosaur? Clue in the claws Meat- ...

Did T. rex and Triceratops ever meet? Age of the dinosaurs A hip question Dinosaurs can be split into two groups, according to t ...

. Triceratops preyed on T. rex Yes. There’s evidence that A hip question 187 Theropods, the meat-eaters, such as Dilophosaurus. ...

Where did Pachycephalosaurus live? Age of the dinosaurs Many male animals today compete to win a mate. Stags crash their antlers ...

In the forests of North America. Find a friend Did they talk? Nobody knows if dinosaurs made sounds, but we suspect they did. Pa ...

Scientists have been lucky enough to find lots of fossilized dinosaur eggs, and even nests. There is a huge variety of sizes and ...

Become an expert 206-207 How was it made? Bringing it back to life This model recreates the fossilized scene above, showing the ...

Dipl odocus’s nec k an d ta il m a de (^) u p (^) m ost of its length. Sauropods were the heaviest, longest, and tallest animals ...

It’s like a giraffe! Brachiosaurus had longer forelimbs than hind limbs so its back sloped down to its hindquarters – rather lik ...

Hadrosaurs were basically the cows of the Cretaceous. They would have been a familiar sight in the forests and swamps of North A ...

What did they eat? One hadrosaur fossil contained the remains of its last meal: bark, pine cones, conifer needles, and branches. ...

Horns and frills Three-horned face Triceratops was one of the largest of all the horned faces, reaching about 10 m (33 ft) in le ...

Protoceratops, which had a head frill but lacked a horn. Styracosaurus, or “spiked lizard”, had a fancy, horned frill. Pentacera ...

The mighty T. rex roamed North America in the last couple of million years that dinosaurs ruled the planet. T. rex Was it a kill ...