How To Use heterosporous In A Sentence
- Both of these genera are heterosporous, meaning that each species produces two distinctly different types of spores: microspores and megaspores.
- Both of these genera are heterosporous, meaning that each species produces two distinctly different types of spores: microspores and megaspores.
- Therefore, improved sampling and a better understanding of the morphology of fossils with affinities to these families are necessary to understand the origin and evolution of the heterosporous fern clade.
- The development of the microsporangia and the contained spores (pollen-grains) is closely comparable with that of the microsporangia in Gymnosperms or heterosporous ferns. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- Many paleobotanists believe that the earliest seed plants evolved from heterosporous Middle Devonian plants like the progymnosperms.
- Isoetes helps discriminate between these explanations as it lacks vessels and has a large genome despite being heterosporous, suggesting that vascular evolution is the key factor.
- Their heterosporous life cycle (including both megaspores and microspores) is likely to be an adaptation to their aquatic habit.
- They were heterosporous and bore ligulate leaves.
- Some of the large sphenophyte trees of the Paleozoic were heterosporous, producing large megaspores and small microspores, and probably retaining the megaspore in the strobilus.
- The development of the microsporangia and the contained spores (pollen-grains) is closely comparable with that of the microsporangia in Gymnosperms or heterosporous ferns. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
