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It seems to me that the spores produced by bread mould are actually its seeds but my textbook says that they are not.

My rationale is that spores are seeds of bread mould because both spores and seeds perform similar functions: both of them develop into a new organism under favourable environmental conditions.

So, are spores seeds, or is there a flaw in my reasoning?

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  • $\begingroup$ Don't forget that fungi are phylogenetically closer to animals than they are to plants. $\endgroup$
    – Karl Kjer
    Dec 12, 2017 at 14:35

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It really is about language, and science uses precise terms. So although spores seem similar to seeds, "seed" is a specific term for a fertilized ovule that is restricted to conifers and seed plants, or gymnosperms and angiosperms. Moss and ferns, which are deeper on the phylogeny of plants, don't make seeds either, but reproduce with spores.

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No as as a seed is a specific multicellular structure formed from a fertilised ovule found only in most spermatophytes

Furthermore a spore is at one stage produced within the ovule however it grows into a gametophyte without being dispersed

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