Question 1:

What are fossils?

Explanation: Fossils are the preserved remains or traces of ancient organisms, providing evidence of past life on Earth.

Question 2:

Which type of fossil is formed when an organism's remains are replaced by minerals?

Explanation: A petrified fossil is formed when the original organic material of an organism is replaced by minerals, preserving its structure.

Question 3:

What is the fossil record?

Explanation: The fossil record refers to the collection of all known fossils, providing a chronological record of past life on Earth.

Question 4:

What can fossils tell us about Earth's history?

Explanation: Fossils can provide information about the age of the Earth, past climate conditions, and the diversity of organisms that inhabited the planet.

Question 5:

What is a trace fossil?

Explanation: A trace fossil is an impression, track, burrow, or other mark left by an organism, providing indirect evidence of its presence in the past.