When did fish appear on earth?
The first fish appeared in the seas around 500 million years ago. They did not have jaws or fins. Dunkleosteus was a fish that was a fearsome predator with razor-sharp bony cutters in its jaws. It had an armoured body and was 10 m long. It existed 370 million years ago.
Related posts:
Why is the internet like a web? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
GK Question "What Do You Know About FBI?" general knowledge book English 2021 current affairs quiz a...
General Knowledge
What is leather? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
What is a tornado?Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
When did the first Trans-Atlantic airline services commence from the US and from the UK?
1st in the World
What are the common features of living things? Complete General Knowledge Question and Answer for Cl...
General Knowledge
Do you know "Tvilight zone".
Do you know
Was Persia rich? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
What is inertia? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
What is a volcano? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What is Braille? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
Which is the biggest polar mammal? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
What are molluscs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What are antibodies? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
Do you know “Great women scientists”.
Do you know
Who invented the wheel?Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
When did people first use full stops and commas? Complete General Knowledge Question and Answer for ...
General Knowledge
Updated List of Top 10 rich person in the world.
General Knowledge
Why do wolves howl at the moon? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
Do you know "Airport terminal, one of India's finest museums".
General Knowledge
