Answer:
The answer is the first: Similar fossil records provided evidence for a supercontinent.
Explanation:
Two fossils in particular served as good evidence for the idea that the continents once joined, but have since been separated: glossopteris and mesosaurus. glossopteris is a seed plant that appeared suddenly during the Permian period and spread rapidly throughout Gondwana, the landmass that later became South America, Australia, Africa, and Antarctica. Glossopteris experienced a relatively rapid extinction at the end of the Triassic period. The wide distribution of glossopteris on different continents at the same point in the fossil record supported the idea that these now separate continents were once joined. Mesosaurus fossils, a marine reptile older than dinosaurs, are also found in South America and South Africa, and provide additional evidence for earlier land connections.
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