Web17 mrt. 2024 · A hard external covering of an animal. The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefish, the shell is concealed … Web10 apr. 2024 · Mollusc shells, including those of cowries, were used as a kind of money (shell money) in several preindustrial societies. Retrieved from Wikipedia CC BY-SA 3.0 …
Bestand:Naturalis Biodiversity Center - ZMA.MOLL.381426 - Herilla ...
WebBestand:Naturalis Biodiversity Center - ZMA.MOLL.404610 - Allognathus (Iberellus) pyrenaicus minoricensis (Mittre, 1842) - Helicidae - Mollusc shell.jpeg Uit Wikipedia, de … Web10 apr. 2024 · Mario Markus (* 29.Juli 1944 in Santiago de Chile) ist ein deutsch-chilenischer Physiker, der lange Zeit am Max-Planck-Institut für molekulare Physiologie in Dortmund geforscht hat. Neben seiner wissenschaftlichen Arbeit hat Markus eigene Computergrafiken ausgestellt, sowie auch Lyrikbände und Romane verfasst und … tente blackthorn 1
Conchology - Wikipedia
WebWikipedia The mollusc (or mollusk ) shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled molluscs live in the sea; many live on the land and in freshwater. The … Meer weergeven A mollusc shell is formed, repaired and maintained by a part of the anatomy called the mantle. Any injuries to or abnormal conditions of the mantle are usually reflected in the shape and form and even color of the … Meer weergeven The pattern formation processes in mollusc shells have been modeled successfully using one-dimensional reaction–diffusion systems, in particular the Gierer-Meinhardt system … Meer weergeven As a structure made primarily of calcium carbonate, mollusc shells are vulnerable to attack by acidic fumes. This can become a problem … Meer weergeven The calcium carbonate layers in a shell are generally of two types: an outer, chalk-like prismatic layer and an inner pearly, lamellar or … Meer weergeven The fossil record shows that all molluscan classes evolved some 500 million years ago from a shelled ancestor looking something like a modern monoplacophoran, … Meer weergeven Monoplacophora The nacreous layer of monoplacophoran shells appears to have undergone some modification. … Meer weergeven • Articles on sub-groups within mollusc shells: • The Bailey-Matthews Shell Museum • Seashell surface, a mathematical construct Meer weergeven Web28 dec. 2015 · File: Naturalis Biodiversity Center - ZMA.MOLL.418635 - Potamilus capax (Green, 1832) - Unionidae - Mollusc shell.jpeg From Wikimedia Commons, the free media repository Jump to navigation Jump to search tente bikepacking decathlon