Question 1
what did the earliest reptiles feed on?
Question 2
when did the earth begin to have seasons?
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Answer:
1. Early species mainly fed on fish and vegetation. They were land-based, most having long legs (when compared to modern crocodiles) and many were bipedal.
2.The seasons are caused by the Earth revolving around the Sun with its axis tilted at 23.5°.
When the Earth first formed it spun like a top and the axis would have been vertical and there were no seasons.
The tilt was caused by a monumental collision 4.3 billion years ago.
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