A student is researching the fossilized remains of a plant species that existed millions of years ago. Fossils of this particular plant have been discovered in both Australia and Antarctica. What is the BEST explanation for why fossils of this plant are present on these two continents?(1 point) Responses Australia and Antarctica were once part of the same continent. Australia and Antarctica were once part of the same continent. When Earth began, Australia and Antarctica were the only two continents. When Earth began, Australia and Antarctica were the only two continents. The plant randomly existed in both places. The plant randomly existed in both places. The plant's seeds were spread over the large the ocean from Australia to Antarctica.

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The best explanation for why fossils of this plant are present on both Australia and Antarctica is that Australia and Antarctica were once part of the same continent.