A spore is a dormant, reproductive cell formed by certain organisms. It has a thick wall and is good at surviving under unfavorable conditions. When conditions go back being suitable, it can give rise to a new individual. Organisms that have spores include bacteria, fungi, algae, and plants. In plants, spores are considered a dispersal unit. Spores are usually haploid and unicellular and are produced by meiosis in the sporophyte. Spores form part of the life cycles in many plants. The spores can develop into a new organism using mitotic division. As shown in the picture, spores are found on ferns.


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