On what basis are the eras of the phanerozoic eon separated?
- Correct Answer: mass extinctions
- low birth rates
- mass birthings
- sparse extinctions
Explanation: The eras of the Phanerozoic Eon are separated by mass extinctions . During these events, large numbers of organisms became extinct very rapidly. There have been several extinctions in the Phanerozoic. Two mass extinctions stand out more than the others. One took place at the end of the Paleozoic. The other took place at the end of the Mesozoic.
More Random Questions
Q: A blood examination shows agranulocytosis in a patient on carbamazepine. Which condition is most likely?
Ans: Drug-induced neutropenia
Ans: Drug-induced neutropenia
Q: Where has the country's first "Rice ATM" been inaugurated?
Ans: Odisha
Ans: Odisha
Q: What is another term for blood clotting?
Ans: differentiation
Ans: differentiation
Q: Which state has launched India's first dedicated 'semiconductor policy'?
Ans: Gujarat
Ans: Gujarat
Q: Who has been awarded the 'Gandhi Mandela Award 2020' on July 22, 2024?
Ans: Rigoberta Menchu Tum
Ans: Rigoberta Menchu Tum
Q: Which country started 'Operation Sadbhav'?
Ans: India
Ans: India
Q: A patient with heart failure requires a diagnostic procedure. Which advanced procedure is used?
Ans: Cardiac catheterization
Ans: Cardiac catheterization
Q: A blood examination shows low platelet count. Which condition is most likely?
Ans: Thrombocytopenia
Ans: Thrombocytopenia
Q: Who has created eco-friendly biodegradable foam?
Ans: IISc Bangalore
Ans: IISc Bangalore
Q: Where has India's first modern cowshed with a bio-CNG plant been inaugurated on October 3, 2024?
Ans: Madhya Pradesh
Ans: Madhya Pradesh
Q: Who has been honored with the 'Lata Dinanath Mangeshkar Award 2024' on April 17, 2024?
Ans: Amitabh Bachchan
Ans: Amitabh Bachchan
Q: Recent evidence indicates some of what type of cells remain within the heart, continuing to divide and potentially replace dead cells?
Ans: dendritic cells
Ans: dendritic cells
Q: What was the expected trend for U.S. search advertising in 2025?
Ans: Double-digit growth
Ans: Double-digit growth
Q: In Sushruta Samhita, which Yantra is used for probing?
Ans: Eshani Yantra
Ans: Eshani Yantra
Q: Which cavity, filled with lubricating serous fluid, lies between the epicardium and the pericardium?
Ans: thoracic cavity
Ans: thoracic cavity