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Topic: Sporangia


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 Learn more about Fungus in the online encyclopedia.   (Site not responding. Last check: 2007-11-06)
Most chytrids, which are generally considered the most primitive group of fungi, do not form hyphae and instead grow directly from spores into multinucleate sporangia.
Actual fusion to form diploid nuclei is called karyogamy, and may not occur until sporangia are formed.
In the Zygomycota, the heterokaryon produces multiple fruiting bodies, in the form of minuscule stalks with sporangia at the end.
www.onlineencyclopedia.org /f/fu/fungus.html   (1101 words)

  
 Jurassic Park Plants
All of these plant groups produce spores in microscopic cases called sporangia or in cone-like structures (strobili), and all have living representatives that have changed very little from their primordial ancestors.
Sporophylls are actually modified leaves, and in male cones they bear numerous minute sporangia on their lower surface.
The undersides of the scales are covered with small, egg-shaped sporangia, each of which contains numerous pollen grains (microspores).
waynesword.palomar.edu /ww0803.htm   (5551 words)

  
 Encyclopedia: Kingdom (biology)
Euglena is a well-known genus of flagellate protozoa, typical of the euglenids, and commonly found in nutrient-rich freshwater, with a few marine species.
Typical orders Protostelia Protosteliida Myxogastria Liceida Echinosteliida Trichiida Stemonitida Physarida Dictyostelia Dictyosteliida Slime moulds are peculiar protists that normally take the form of amoebae, but under certain conditions develop fruiting bodies that release spores, superficially similar to the sporangia of fungi.
Ernst Haeckel Ernst Heinrich Philipp August Haeckel (February 16, 1834 - August 8, 1919), also written von Haeckel, was a German biologist and philosopher who popularized Charles Darwins work in Germany.
www.nationmaster.com /encyclopedia/Kingdom-(biology)   (2051 words)

  
 The BSPP - Publications - BSPP News32 Spring 1998
The aim of my bursary was to assess the pattern of tissue colonisation in millet downy mildew, as part of a programme to survey downy mildew infections of hosts with different vein types and phloem loading mechanisms.
There were problems, however, with obtaining sporangia of this pathogen.
Instead, therefore, my work focussed on pea downy mildew, of which a reliable source of sporangia was available.
www.bspp.org.uk /bsppnews/bsppnews32/bsppnews32.htm   (6538 words)

  
 Headache Treatments by Native Peoples of the Ecuadorian Amazon
This vine-like species is an epiphyte with an elongate rhizomal stem.
Its leaves are deeply and irregularly lobed, about 3 cm long and broad, with dichotamous veins, and sporangia at their margins.
It is found on tree trunks up to 2 m above the ground (Dodson and Gentry, 1978).
manu.montana.com /paper.html   (6723 words)

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