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:
GK Question "What Makes The Money Valuable?" general knowledge book English 2021 current affairs qui...
General Knowledge
Do you know “Rig Vedic drink madhumadya back in India".
Do you know
GK Question "How An Automobile Runs With Gasoline?" general knowledge book English 2021 current affa...
General Knowledge
GK Question "What Smoke Is?" general knowledge book English 2021 current affairs quiz and answers fo...
General Knowledge
Do robots have uses in industry? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
What is the sound barrier? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, ...
General Knowledge
What is haemoglobin? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
Do you know “Moonrise and sunset on the same horizon”.
Do you know
How is synthetic rubber made? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
When was the crossword puzzle invented? Complete General Knowledge Question and Answer for Class 6, ...
General Knowledge
Where do asteroids come from? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
Who were the first doctors in the world? Complete General Knowledge Question and Answer for Class 6,...
General Knowledge
What are catacombs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
GK Question "How The Calendar Began?" general knowledge book English 2021 current affairs quiz and a...
General Knowledge
Who was Confucius? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
How many constellations are there in the sky? Complete General Knowledge Question and Answer for Cla...
General Knowledge
GK Question "Do You Know, As To, Where Did The Ice Cream Originate?" general knowledge book English ...
General Knowledge
GK Question "People Have Been Last Names, For How Long?" general knowledge book English 2021 current...
General Knowledge
What is blood pressure? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
What is pitch? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 St...
General Knowledge
