Which of the following developmental processes in a seed is the most evolutionarily advantageous for the initial establishment of a viable seedling?

Which of the following developmental processes in a seed is the most evolutionarily advantageous for the initial establishment of a viable seedling? 






A) The emergence of the radical.
B) The coleoptiles in monocots.
C) The protective layer of cutin outside of the seed coat.
D) The emergence of the first photosynthetically active leaves.
E) The development of a nutrient-rich hypocotyl.






Answer: A


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