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Plant spore definition biology3/2/2024 ![]() They do not require any other organism for their reproduction process and in a way are self-sufficient. In such kinds of organisms, the majority of the sporangia produces haploid spores. One difference between Conidia and oidia is that the former is formed during unfavourable conditions whereas the latter is formed during favourable conditions. Ii) Oidia- these are also formed at the tip of the body but in the presence of excess food material. Bacterial spores serve largely as a resting, or dormant, stage in the bacterial life cycle, helping to preserve the bacterium through periods of unfavourable conditions. ![]() I) Conidia- these are formed at the tip of the body. Spores are produced by bacteria, fungi, algae, and plants. They can resist high temperatures, humidity, and other environmental conditions. Certain bacteria make spores as a way to defend themselves. These Aplanospores are further divided into two types- A spore is a cell that certain fungi, plants (moss, ferns), and bacteria produce. Lower fungi and algae like haematococcus and vaucheria are some examples. Ii) Aplanospore- these spores do not show motility and are formed from a part of a vegetative cell. Some of its examples are- Chlamydomonas an algae and Albugo fungi. ![]() I) Zoospore- these spores show movement due to the presence of flagella however they lack a true cell wall in them. The spores are single-celled minute structures which may be motile in some case whereas non-motile otherwise. Under suitable conditions, these spores germinate to form a new plant. Once these spores mature the sporangia burst and these matured spores reach different areas by air, wind and water. In plants, spores are usually haploid and unicellular and are produced by meiosis in the sporangia of diploid sporophytes. Spore formation is a form of reproduction in which the reproductive bodies called the spores are present in a sac called the sporangia. Gametes thus can be differentiated from these spores which definitely requires fuse with another gamete for reproduction. A small, usually single-celled reproductive body that is resistant to adverse environmental conditions and is capable of growing into a new organism, produced especially by certain fungi, algae, protozoans, and nonseedbearing plants such as mosses and ferns. This process requires spores, a reproductive cell that is capable of becoming a new plant without undergoing any kind of fusion with any other cell. Hint: Spore formation is an asexual mode of reproduction.
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