Match the geological era/period with a characteristic life event:
1. Precambrian
2. Mesozoic
3. Cenozoic
Show answer & explanation
Correct answer: B
Explanation
Correct Answer
1-Origin of life, 2-Dinosaurs’ dominance, 3-First mammals
Explanation
The Precambrian era is the earliest period in Earth’s history, during which the origin and early development of life took place.
The Mesozoic era is known as the “Age of Reptiles” because dinosaurs dominated this period.
The Cenozoic era is known as the “Age of Mammals” as mammals evolved and diversified significantly during this time.
Key Points
• Precambrian: Origin of life.
• Mesozoic: Dominance of dinosaurs.
• Cenozoic: Rise and evolution of mammals.
• These are major divisions of Earth’s geological history.
Additional Facts
• The Precambrian is the longest span of Earth’s history.
• Birds first appeared during the Mesozoic era.
• The Cenozoic era continues to the present day.
Important Questions
Question: Which is the longest geological era?
Answer: Precambrian
Question: In which era did dinosaurs dominate?
Answer: Mesozoic Era