What is zoospore, conidia, gemmules? Explain.
Answers
A zoospore is a motile asexual spore that uses a flagellum for locomotion. Also called a swarm spore, these spores are created by some protists, bacteria and fungi to propagate themselves.
A conidium (plural conidia), sometimes termed an asexual chlamydospore or chlamydoconidium (plural chlamydoconidia), is an asexual,non-motile spore of a fungus. The name comes from the Greek word for dust, κόνις kónis. They are also called mitospores due to the way they are generated through the cellular process of mitosis.[citation needed] The two new haploid cells are genetically identical to the haploid parent, and can develop into new organisms if conditions are favorable, and serve in biological dispersal.
Asexual reproduction in ascomycetes (the phylum Ascomycota) is by the formation of conidia, which are borne on specialized stalks called conidiophores. The morphology of these specialized conidiophores is often distinctive between species and, before the development of molecular techniques at the end of the 20th century, was widely used for identification of (e.g. Metarhizium) species.
Gemmules are internal buds found in sponges and are involved in asexual reproduction. It is an asexually reproduced mass of cells, that is capable of developing into a new organism i.e., an adult sponge.
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A zoospore is a motile asexual spore that uses a flagellum for locomotion. Also called a swarm spore, these spores are created by some protists, bacteria and fungi to propagate themselves.Conidia are asexually produced spores that are borne externally to the cells that produce them. This definition may be confusing, but it is only necessary to compare conidia with sporangiospores to see the difference.Sporangiospores are produced inside specialized cells called sporangia and remain enclosed in the cells until maturity. Conidia may be produced inside a cell (although not always) but at maturity they will be exposed to the external environment. There is some grey area here but for the most part our definition will hold up.Gemmules are internal buds found in spongesand are involved in asexual reproduction. It is an asexually reproduced mass of cells, that is capable of developing into a new organism i.e., an adult sponge.