Question 1:

What is the purpose of the geologic time scale?

Explanation: The geologic time scale is used to organize Earth's history into distinct time intervals, providing a framework for understanding the sequence of events and the relative ages of rocks and fossils.

Question 2:

Which era is known as the "Age of Reptiles"?

Explanation: The Mesozoic Era is often referred to as the "Age of Reptiles" because it was dominated by the presence of dinosaurs and other reptiles.

Question 3:

Which era represents the time when complex multicellular life forms first appeared?

Explanation: The Paleozoic Era is known as the "Age of Invertebrates" and marked the appearance of complex multicellular life forms, including early fish, plants, and insects.

Question 4:

What is the most recent era in the geologic time scale?

Explanation: The Cenozoic Era is the most recent era in the geologic time scale, characterized by the diversification and dominance of mammals, including humans.

Question 5:

Which era is known for the presence of abundant fossil fuels, such as coal and oil?

Explanation: The Paleozoic Era is known for the presence of abundant fossil fuels, including coal and oil, which formed from the remains of ancient plants and marine organisms.