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How It Works Book of DinosaursHow It Works Book of Dinosaurs

How It Works Book of Dinosaurs How It Works Book of Dinosaurs 2

Before the extinction event that changed their world forever, dinosaurs and their reptilian relatives of the sea and sky ruled the prehistoric world. From Allosaurus to Zuniceratops, travel back in time to the age of the dinosaurs with the How It Works Book of Dinosaurs and discover these “terrible lizards” for yourself. Featuring: Most amazing dinosaurs - Get to know some of the most iconic and infamous species around. The prehistoric world - Get to know the environments in which the dinosaurs thrived. Dinosaurs - Meet some of history’s most fascinating and ferocious dinosaur species. Dinosaurs’ legacy - Learn about what caused the dinosaurs to die out and what remains today.

Country:
United Kingdom
Language:
English
Publisher:
Future Publishing Ltd
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IN THIS ISSUE

access_time17 min.
the world’s most amazing dinosaurs

DID YOU KNOW?MYA is short for ‘million years ago.’ So if you see 56 MAY it means 56 million years ago Tyrannosaurus rex (‘Tyrant lizard king’) Carnivore Cretaceous period, 67-66 MYA Found in: Western North America Lived in: Forests with swamps and rivers Fact The largest T-rex skulls ever to be found are 1 .5m across, and some of the T-rex teeth were up to 30cm long Dino skill Tyrannosaurus rex T-rex may have had the most vicious bite of any animal to have lived, many times stronger than lions and sharks and capable of crunching bone and ripping apart its prey. Killer rating: 5/5 Speed: 3/5 Defence: 3/5 Stegosaurus (‘Roof lizard’) Herbivore Late Jurassic period, 150 MYA Found in: Europe and Eastern North America Lived in: Forests and vegetated plains Fact Stegosaurus’s distinctive back plates may have been a type of air conditioning. Air cooled the blood running through the plates Dino…

access_time19 min.
a to z of the dinosaurs

Dinosaurs have long sparked our imagination. From the Ancient Greeks’ perception of their remains as evidence of a time when giants ruled Earth, right through to modern man’s pursuit of their resurrection – be that in films like Jurassic Park or in laboratories via advanced DNA cloning techniques – dinosaurs remain a tantalisingly alien part of our world’s history. They may no longer roam the land like they did millions of years ago, but thanks to their genetic legacy and preserved remains they still remain a very real presence today. From the fossils lying trapped in the ground through to the descendants flying above our heads, dinosaurs have unique tales to tell. We take a closer look at this ancient world through an A-Z encyclopedia of all things dinosaur. You’ll learn not just…

access_time2 min.
what was a dinosaur?

DID YOU KNOW?It’s thought that only 10% of dinosaur species have been found so far Dinosaurs dominated the Earth for over 160 million years, often as the apex predators of their particular environments. Although fossilised dinosaur remains have been discovered throughout human history (early discoveries probably being the origins of mythical creatures such as dragons and hydras), dinosaurs were only described scientifically in the early nineteenth century. It was British palaeontologist Sir Richard Owen who coined the taxon Dinosauria in 1842. The word dinosaur means “terrible lizard”, but the term is somewhat misleading, as dinosaurs are not lizards but are part of a separate group of reptiles altogether. Dinosaurs are a diverse group that began life on the super-continent of Pangaea. As continental shift progressed and Pangaea broke up into smaller…

access_time2 min.
how did the dinosaurs’ world evolve?

Evolution of the dinosaur world DID YOU KNOW?Lots of dinosaurs couldn’t survive the 60°C heat of the Triassic period The ultra-dry climates of the Permian era, and the subsequent destruction of the ancient coal swamps that were home to a great many Carboniferous plants, meant that the Mesozoic (or ‘middle life’) era signalled something of a recovery period in Earth’s history. Comprising the Triassic, Jurassic and Cretaceous periods, the Mesozoic era was less dry but was still swathed in high global temperatures, and the now-empty ecosystems on the land were soon taken over by evolving mammals and dinosaurs. Meanwhile, beneath the oceans, new corals appeared and various sea urchins began to diversify and thrive, having been almost driven to the point of extinction at the end of the Permian era. Some estimates put…

access_time7 min.
where did dinosaurs live?

Dinosaur habitats DID YOU KNOW?The extinction event that killed the dinosaurs is one of five major events to have changed the Earth Triassic desert 250 to 200 million years ago Dinosaurs first appeared during the Triassic period. Earth was hot, dry and covered in deserts Throughout the Mesozoic era, which comprised the Triassic, Jurassic and Cretaceous periods, much was changing on and in the Earth’s lands and seas. The Triassic period was a time of recovery after the devastation, in terms of the fauna and flora, that brought to a close the Permian period. The high global temperatures and the empty ecosystems on the land meant that dinosaurs and mammals evolved during the Triassic period, while the oceans saw sea urchins begin to diversify, having been driven almost to the point of extinction at the end…

access_time1 min.
the dinosaurs’ neighbours

Prehistoric mammals DID YOU KNOW?Monotremes are mammals that lay eggs, such as the platypus and echidnas Mammals are characterised in many different ways, such as the possession of hair and mammary glands that produce milk for their offspring. While it is the formidable dinosaurs that people associate most with the Mesozoic era, mammals also lived and evolved during this era. For example, during the early Cretaceous period, egg-laying mammals, such as the Teinolophos, existed. Little is actually known about this mammal as only a few partial lower-jaw bones have ever been discovered. Certain characteristics of these jaw bones indicated that the Teinolophos was indeed a monotreme – an egg-laying mammal. The platypus and the echidna are the only remaining monotremes. They are found only in Australia, where the Teinolophos lived around 120…

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