1) What did insects initially look like? Why do they look different now? 2) What is a 'meganeura'? What do you know about it? 3) What is an 'arthropleura'? What do you know about it? 4) What is a 'pulmonoscoprius'? What do you know about it? 5) Why would insects win a war on humans? 6) Why are there so many insects on Earth? 7) What do we know about the number of insects? 8) How does the insect size help them now? 9) What is the advantage of insects' metamorphosis?

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