A sponge is a cleaning aid made of soft, porous material. Typically used for cleaning impervious surfaces, sponges are especially good at absorbing water and water-based solutions.Originally made from natural sea sponges, they are commonly made from synthetic materials today. (Wikipedia. 2025. Sponge (tool) https://en.wikipedia.org/wiki/Sponge_(tool))
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Isscaap group b-83; for the living animals use <5581> or the appropriate specific descriptor
A reproductive cell or body, usually protected from the environment by one or more protective membranes, capable of developing into a new organism asexually, without fusing with another reproductive cell. Bacteria, fungi, some protozoans, and plants (e.g. seaweed), produce spores. (FAO. 2008. Glossary of aquaculture. https://openknowledge.fao.org/handle/20.500.14283/a1555m)
A covering or secretion of powdery or waxy pruinose material causing a whitish (glaucous) or bluish overcast on the surface of certain leaves and fruits (http://arnoldia.arboretum.harvard.edu/pdf/issues/1940)
Fruit-body: a general term for the multicellular spore-bearing structures in both macrofungi and microfungi; alternative terms are carpophore, sporocarp and sporophore; hymenophore has a more restricted meaning. (Fungi of Australia Glossary https://www.dcceew.gov.au/science-research/abrs/online-resources/glossaries/fungi Accessed 18 July 2023)
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A sporophore is a more general term used to describe any structure in fungi that directly bears or produces spores. Unlike sporocarps, sporophores can include a broader range of structures and are not limited to large, conspicuous fruiting bodies.
Autotrophy is the capacity of an organism to use light as the sole energy source in the synthesis of organic material from inorganic elements or compounds. Autotrophic organisms include green photosynthesizing plants and some photosynthetic bacteria. (Glossary of Biotechnology and Genetic Engineering, FAO Research and Technology Paper No. 7, Rome, 1999) )
In mathematics, Fourier analysis is the study of the way general functions may be represented or approximated by sums of simpler trigonometric functions. (https://en.wikipedia.org/wiki/Fourier_analysis)
