Practice Quiz

MCAT Biology

Category - Biology

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Caytonia is an extinct plant that existed between 200 and 140 million years ago. It had reproductive structures that resemblestructures in modern flowering plants. How do scientists know about the structures of this ancient extinct plant?
  1. Scientists study the DNA sequences of Caytonia.
  2. Scientists genetically engineer modern plants to produce Caytonia.
  3. Scientists excavate and examine the fossilized remains of Caytonia.
  4. Scientists observe the adaptations of plants in habitats resembling those of Caytonia.
Explanation
Answer: C - Scientists excavate and examine the fossilized remains of Caytonia.
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