10 Questions
Why are bones and shells most easily fossilised?
They are more likely to be preserved in the fossilization process.
Why are soft parts of animals and plants not often found as fossils?
They rot away when the animal or plant dies.
How do minerals help in creating a fossil copy of a creature?
Minerals fill the space where the animal's body was buried in mud, creating a copy of the creature.
Why are the fossils shown in the text no longer found living anywhere on Earth?
They have become extinct.
How do layers of rock help palaeontologists estimate the age of fossilized animals or plants?
The oldest rocks are generally lower down than the newer ones, helping estimate the age of the fossils.
What do scientists suggest about the beginning of life on Earth?
Scientists suggest that there was no life of any kind on Earth at the beginning.
When are the earliest fossils dated to?
The earliest fossils are dated as between 3000 and 4000 million years ago.
What is adaptation according to some scientists?
Adaptation is when the features of an animal are adapted to help it survive in the habitat it lives in.
What is inheritance?
Inheritance is when offspring inherit characteristics from their parents.
What is variation in living things?
Variation is when offspring may vary from their parents, producing differences.
Explore the concept of fossils and how they provide insights into past life on Earth. Learn about the challenges in fossilization and why certain parts of organisms are more likely to be preserved than others.
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