What are the different animal kingdoms?

Science

What is the name for the group of animals with a backbone?

An animals skeleton is buried by sediment

The fossil is exposed at the Earth's surface

The skeleton dissolves and a mould is formed

Which of these is the last step in the fossilisation process?

a characteristic that helps an organisms to survive in its environment

A collection of fossils found across different ages of rock

the process by which living things gradually change over time

If fossils are deeper down in rock are the newer or older fossils?

In the rock cycle some rocks that contain fossils are destroyed.

Some organisms decompose before they are covered by sediment.

Which of these is NOT a reason that parts of the fossil record are missing.