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18 February, 10:31

What novel innovations did the evolution of the seed plant life cycle involve compared with other groups of land plants? Select all that apply. O dispersal of multicellular gametophytes O dispersal through air O an ecologically dominant sporophyte generation O fertilization in the absence of environmental water O dispersal of multicellular sporophytes

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  1. 18 February, 10:33
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    Fertilization in the absence of environmental water

    Explanation:

    About 360 million years ago, seeds appeared on Earth. The seed bearing plant is divided into two categories: Gymnosperms (naked seeds) Angiosperms (seeds enclosed in ovary) Seed bearing plant produce Microspores which leads to the formation of pollen grains. The pollen grain serve as a carrier for the sperm to the egg. Seed bearing plant produce Megaspores, which formed within the ovules, and results into the formation of seed, when sperm fertilizes with the egg.
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