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Paleozoic era

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Q: Land-based animals first became common
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When did land based animals first become common?

Land based animals first became common in the Paleozoic Era. It is the earliest era of the 3 in the Phanerozoic Eon.


What is a common factor in animals that lay eggs?

All animals have to go throw pregnancy first which is common in all female animals.


What did the first cities in the Americas have in common with the first cities in Asia?

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Which animal was the first to go up space and what was the name?

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What happened after the first agricultural revolution?

Farming became a more common thing and people started to live in permanent homes


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What was the first goal of the pioneers once the reached their destination?

Establish a fire and shelter in order to begin farming and building permanent residence. As pioneers became more and more common, finding and establishing a trade route became an important first step as well.


What was the first goal of the pioneers once they reached their destination?

Establish a fire and shelter in order to begin farming and building permanent residence. As pioneers became more and more common, finding and establishing a trade route became an important first step as well.


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What was the first group of animals to have an anus?

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