Spores

Science / Biology / Spores: Impervious structures formed by some cells that encapsulate the cells and protect them from the environment; haploid cells that can survive unfavorable conditions and germinate into new haploid individuals or act as gametes in fertilization.

Megaspores

Science / Biology / Megaspores: Four haploid cells produced by meiosis in the ovule of a fiower. Usually, three of these cells degenerate, with the remaining cell becoming the female gametophyte phase of the plants life cycle. Large MORE

Basidiospores

Science / Biology / Basidiospores: The spores formed on the basidia of club fungi (Basidiomycetes). MORE

Microspores

Science / Biology / Microspores: Four haploid cells produced by the meiotic division in the pollen sacs of fiowers or microsporangia of gymnosperms. Microspores undergo mitotic division and become encased in a thick protective wall t MORE

Basidia

Science / Biology / Basidia: Specialized club-shaped structures on the underside of club fungi (Basidiomycetes) within which spores form (sing.: basidium). MORE

Zygospore

Science / Biology / Zygospore: In fungi, a structure that forms from the diploid zygote created by the fusion of haploid hyphae of different mating types. After a period of dormancy, the zygospore forms sporangia, where meiosis occ MORE

Capsule

Science / Biology / Capsule: 1. Structure produced around certain bacteria; 2. Structure produced by the bryophyte sporophyte that contains spores produced by meiosis. MORE

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