The 'pollination drop' mechanism is an evolutionary adaptation seen in:
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Correct answer: Many gymnosperms
Many gymnosperms exude a sticky liquid from the micropyle to capture wind-borne pollen. As the drop dries, it retracts, pulling the pollen grains into the pollen chamber for fertilization.
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More Evolution of Seeds questions
- The reduction of the female gametophyte to only a few cells (the embryo sac) is the final stage of seed evolution in:
- Which evolutionary advancement allowed the seed to survive long periods of environmental stress?
- In the context of seed evolution, 'Endochory' refers to seed dispersal via:
- The presence of a 'Suspensor' in the developing seed embryo is primarily for:
- Which evolutionary trend is considered the most critical precursor to the development of the seed habit?
- In the evolution of the seed, the megasporangium became protected by one or more layers called: