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Below is a table listing the mode of classification, name, identifying characteristic, examples, and images of different spore species. Pseudohyphae, chlamydospores and blastospores of Candida yeast. In plants, microspores, and in some cases megaspores, are formed from all four products of meiosis.
Clusters of sporangia on a fern. A sporangium (from Late Latin, from Ancient Greek σπορά (sporá) 'seed', and ἀγγεῖον (angeîon) 'vessel'); pl.: sporangia) [2] is an enclosure in which spores are formed. [3] It can be composed of a single cell or can be multicellular.
Reproductive spores grow into multicellular haploid individuals or sporelings. In heterosporous organisms, two types of spores exist: microspores give rise to males and megaspores to females. In homosporous organisms, all spores look alike and grow into individuals carrying reproductive parts of both genders. Formation of reproductive spores
Most of the oomycetes produce two distinct types of spores. The main dispersive spores are asexual, self-motile spores called zoospores , which are capable of chemotaxis (movement toward or away from a chemical signal, such as those released by potential food sources) in surface water (including precipitation on plant surfaces).
A fungus ( pl.: fungi [2] or funguses [3]) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as one of the traditional eukaryotic kingdoms, along with Animalia, Plantae and either Protista [4] or Protozoa and Chromista.
Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants. The smaller of these, the microspore , is male and the larger megaspore is female. Heterospory evolved during the Devonian period from isospory independently in several plant groups: the clubmosses , the ferns including the arborescent ...
A zoospore is a motile asexual spore that uses a flagellum for locomotion in aqueous or moist environments. Also called a swarm spore, these spores are created by some protists , bacteria , and fungi to propagate themselves.
A mold ( US, PH) or mould ( UK, CW) is one of the structures that certain fungi can form. The dust-like, colored appearance of molds is due to the formation of spores containing fungal secondary metabolites. The spores are the dispersal units of the fungi. [1] [2] Not all fungi form molds. Some fungi form mushrooms; others grow as single cells ...
In between these two processes, different types of plants and algae vary, but many of them, including all land plants, undergo alternation of generations, with two different multicellular structures (phases), a gametophyte and a sporophyte.
Like all seed plants, they are heterosporous, having two spore types, microspores (male) and megaspores (female) that are typically produced in pollen cones or ovulate cones, respectively. The exception is the females in the cycad genus Cycas, which form a loose structure called megasporophylls instead of cones.
