Xin Wang and colleagues have discovered the earliest known example of a flower bud in a 164-million-year-old plant fossil in China. The researchers have named the new species Florigerminis jurassica. They believe that the discovery pushes the emergence of flowering plants, or angiosperms, back to the Jurassic period, which occurred between 145 million and 201 million years ago.
- 150 million years old
- 145 million years old
- 164 million years old
- 201 million years old
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Solution walkthrough
- Choice C is the best answer because it gives the age for the fossil discovered by Wang and colleagues that is directly supported by the text.
- According to the text, Xin Wang and colleagues discovered a 164-million-year-old plant fossil.
- This plant fossil included a flower bud, which the researchers believe provides evidence that flowering plants emerged in the Jurassic period, which falls between 145 million and 201 million years ago.