By Kenneth McNamara, Andrew Plant
Для детей 10-13 лет
Including every little thing you desired to learn about fossils and evolution, this is often one of many remarkable titles within the well known non-fiction sequence, Its True!
Psst! Its precise! this is often the simplest booklet on lifestyles earlier than dinosaurs youll ever read!
Bugs that seize dust. Fish with the teeth at the outdoor. Beasts with blades like steak knives on their backs. Scorpion look-alikes metres lengthy. Can they be actual? within the long-ago days prior to the dinosaurs, there have been a few heavily bizarre creatures residing on the earth. Fossil hunters (who are most likely bizarre themselves) locate is still of those animals in historical rocks and determine that have been the hunters or the hunted. One scientist even used a fossil trilobite to undercover agent at the FBI.
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Additional resources for It's True! We Came from Slime
25 Creatures like the Anomalocaris had evolved the ability to eat other animals and digest them – these were the predators. This was all very well for them, but for those being eaten (their prey) it was a bit of a shock. With no defences, many species probably died out completely. The ability to eat other animals affected what all other animals looked like for the next 500 million years (from your wrist to your finger tips). From here on, evolution was all about getting better at finding your dinner, or coming up with a way of not becoming a meal for someone else.
However, if you drop in something hard it’s a different story. If you could grab back one of your first teeth from a tooth fairy and chuck that in the ocean, it would have a much better chance of being fossilised. So, for animals that crawl and burrow through soft muds or sands, there’s a far greater chance of their hard shells becoming fossils when they die than their soft parts. Shells can last for years before becoming buried in mud or sand and then preserved in a rock as a fossil. 28 Trilobite ‘biscuits’ There is another reason why one type of animal that lived at this time is often found fossilised.
The ability to eat other animals affected what all other animals looked like for the next 500 million years (from your wrist to your finger tips). From here on, evolution was all about getting better at finding your dinner, or coming up with a way of not becoming a meal for someone else. First predators appear 26 Fossil armou r The only way for prey to survive was to come up with a way of protecting themselves. And many did this in a most spectacular way – by growing their own armour. Many different kinds of animals came up with this amazing ability – they learned how to grow crystals that could transform into hard shells and protect them from the new predators.
It's True! We Came from Slime by Kenneth McNamara, Andrew Plant