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In biology, a spore is a unit of sexual (in fungi) or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, fungi and protozoa.
Among plants—all of which have a life cycle characterized by alternating generations of asexually and sexually reproducing individuals—spores are the reproductive agents of the asexual generation. Produced by the sporophyte (i.e., spore-bearing) generation, plant spores give rise to the haploid gametophyte (i.e., gamete-bearing) generation.
Spores are the reproductive structures that helps in reproduction of many plants, bacteria and fungi. These exist in variable shapes, sizes and number. Spores are of mainly two types: endo and exospores based on their origin.
30 wrz 2021 · What's the difference between spores and seeds? One of the most important differences is that spores are unicellular and seeds are multicellular. Made of only one cell, spores are haploid. Seeds are larger and multicellular, so they are diploid – and they are often packed with nutrients.
2 lut 2023 · Sporulation or spore formation is the process of producing spores from the actively dividing (vegetative) cells. They are commonly found in bacteria, fungi, protozoa, and some plants such as ferns and mosses. The term ‘spore’ comes from the Greek word for seed.
19 sie 2021 · Some organisms use reproductive cells known as spores as a means of asexual reproduction. These cells are produced in plants, fungi, algae, and bacteria.
26 mar 2019 · In a plant’s life cycle, the spore-producing phase is called sporophyte. There are two stages of reproduction in plants: sexual and asexual. Through the process of meiosis and fertilization, the alternation of generation segregates these two phases into the sporophyte and gametophyte.
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