The first ever vascular plants are_________?
Correct answer: A. Cooksonia
- A. Cooksonia
- B. Selaginella
- C. Adiantum
- D. Dryopteris
Explanation
Cooksonia is generally regarded as one of the earliest known vascular land plants, appearing in the Silurian Period. Selaginella, Adiantum and Dryopteris are later vascular plants, so students may choose Selaginella because it is also a primitive-looking vascular plant.
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About Concept of Evolution
Evolution is the heritable change in populations over generations, driven by mutation, recombination, natural selection, genetic drift and reproductive isolation. Questions examine variation, adaptation, survival and reproduction, speciation, fossil and anatomical evidence, and the difference between individual acclimatization and evolutionary change in a population.
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