C fern sperm chemotaxis

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They may be green, yellow, black, brown, orange, or red. The fern "life cycle" refers to sexual reproduction. Instead, they produce a haploid generation. Share Flipboard Email. They aren't like seeds of flowering plants. Science , — Ferns require water for sexual reproduction.

One is the cumulus cells that surround the oocyte, and the other is the mature oocyte itself. Nature Cell Biol. Add links. The Fern Life Cycle.