Rocks formed from sediments are called

When the minerals from sediments replace tissues of an organism, __________ fossilization has occurred

Which of the following is true about fossils?

• Fossils can be of different types like mineralized fossils, casts and molds, impression fossils etc.

A dead organism is more likely to become a fossil if it contains _________ parts like teeth or bones.

• Fossils are the preserved parts for many years so the parts have ability to resist decaying can become fossils only.
• Hard parts of organisms like shells, bones and teeth etc are made up of calcium carbonate which is very strong.
• So the hard parts have greater ability to don't decay and become fossils than the soft parts.
• As a result, an organism is more likely to become fossil if it contains Hard parts as compared to soft parts.

What type of fossil is this?

Amber:- 

• This type of fossils are used by paleontologists to know the ancient world.
• These are also used as pendant due to their beautiful apperance.

Which type of fossil is formed when the remains of a dead organism are turned into stone? 

• Petrification is a type of fossilisation.
• The Fossils are in the form of stones.

Which of these can be learned about a species by studying their fossilized skeletons?

• Paleontologists study fossils to know about the ancient world and history of life on earth.

The body of an animal is most likely to become fossilized if it

• Plants and animals get fossilised when they are protected from diverse conditions.
• It can be when these are covered.

Fossil formation has occurred in the glaciers of the Arctic by which method?

• The area is icy and so cool.
• The remaining parts of died organisms can get frozen due to ice .
• It preserves them by decaying.

Which of the following objects cannot be considered as a fossil?

• Fossils are preserved remains of ancient plants and animals.
• These are preserved from millions of years.

Who studies fossils?

For the formation of most fossils, the organism's remains must be buried in what?

• Sediments have most of the fossils because they don't allow oxygen to pass through them.

Scientists study fossils in order to

• Fossils tell about ancient world.
• These provide knowledge about history of life on Earth.

Fossil record helps us to understand

• The fossil D is present in deepest layer , so is the oldest fossil.
• The fossil B is present in upper layer than the fossil D, so is younger than D.

• The fossil which is found deepest will be oldest one.
• While the youngest fossil will found on upper part than others .