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What major reproductive adaptations facilitated the evolution of the seed?
Chapter 29, Problem 1(choose chapter or problem)
QUESTION: What major reproductive adaptations facilitated the evolution of the seed?
Questions & Answers
QUESTION: What major reproductive adaptations facilitated the evolution of the seed?
ANSWER:Step 1 of 2
Four major adaptations facilitated the evolution of the seed:
1. the trend toward reduced gametophytes;
2. the emergence of sexually different spores ("male" microspores and "female" megaspores);
3. protection of female spores and gametophytes within the body of the sporophyte;
4. the evolution of the ovule, the developmental precursor of the seed.
They can be explained as,