WAS BEDEUTET ACORN WORM AUF ENGLISCH
Eichelwurm
Die Eichelwürmer oder Enteropneusta sind eine hemichordate Klasse von Wirbellosen, die aus einer gleichnamigen Ordnung bestehen. Sie sind eng mit den Stachelhäutern verwandt. Es gibt etwa 90 Arten von Eichelwurm in der Welt, die wichtigsten Arten für die Forschung ist Saccoglossus kowalevskii. Bis vor kurzem wurde angenommen, dass alle Arten infaunale Benthos waren, die entweder Einlagenförderer oder Futterautomaten sein können. Allerdings hat das letzte Jahrzehnt die Beschreibung einer neuen Familie, der Torquaratoridae, offenbar auf die Tiefsee beschränkt, in der die meisten Arten auf der Oberfläche des Meeresgrundes kriechen und alternativ in die Wassersäule hinaufsteigen, offensichtlich zu driften Neue Förderstellen. Einige dieser Würmer können sehr lange wachsen Eine bestimmte Art kann eine Länge von 2,5 Metern erreichen, obwohl die meisten Eichelwürmer viel kleiner sind.
Definition von acorn worm im Wörterbuch Englisch
Die Definition von Eichelwurm im Wörterbuch ist eines von verschiedenen kleinen grabenden Meerestieren der Gattung Balanoglossus und verwandter Gattungen, die einen langgestreckten wurmähnlichen Körper mit einem eichelförmigen umkehrbaren Rüssel am Kopfende haben: Subphylum Hemichordata.
10 BÜCHER, DIE MIT «ACORN WORM» IM ZUSAMMENHANG STEHEN
Entdecke den Gebrauch von
acorn worm in der folgenden bibliographischen Auswahl. Bücher, die mit
acorn worm im Zusammenhang stehen und kurze Auszüge derselben, um seinen Gebrauch in der Literatur kontextbezogen darzustellen.
1
Life in the Chesapeake Bay
Acorn Worm, Saccoglossus kowalevskii (to 6") 2. White Synapta, Leptosynapta
tenuis (to 6") 3. Sea Onions, Paranthus rapiformis (to 1") 4. Burrowing Anemone,
Edwardsia elegans (to 1W) 5. Sloppy Gut Anemone, Ceriantheopsis americanus
...
Alice Jane Lippson, Robert L. Lippson,
2006
/^Acorn Worms KoWalew$k.\|$ acorn worm Site- 6» inches Compared to other
marine worms and most other invertebrates, acorn worms (phylum Hemichordata
) are highly specialized and evolutionarily advanced. Because of their gill ...
3
Northwest California Linguistics
[h] (24) As for Acorn Worm, only a single load had accumulated, and (Water Dog)
would laugh at her whenever they cooked acorn mush. (25) Acorn Worm would
poke a little piece of leached acorn flour (kyitasd) [i] into the (cooking basket) ...
Victor Golla, Sean O'Neill,
2001
4
Diversity of Life: The Illustrated Guide to the Five Kingdoms
the acorn worm, for example, Ptychodera flava (C). The acorn worm burrows into
the soft sea bed with its acorn-shaped, muscular proboscis. Some acorn worms
line the burrow with mucus, to which food and sediment stick; cilia that cover the ...
Lynn Margulis, Karlene V. Schwartz, Michael Dolan,
1999
Examples of such extreme forms of metamorphosis are found in several taxa,
including echinoderms, which, I claim, originally acquired larvae from an acorn-
worm (Hemi- chordata: Enteropneusta). Comparatively smooth metamorphoses ...
6
Life Traces of the Georgia Coast: Revealing the Unseen Lives ...
Acorn worm traces. (a) Fecal casting by golden acorn worm (Balanoglossus
aurantiactus) on the sand surface: Sapelo Island. Scale in centimeters. (b) Fecal
casting ofthe much smaller helical acorn worm (Saccoglossus kowalevskii): St.
7
Concise Encyclopedia Biology
The acorn worm. Saccoglossus. The hemichordate body consists of 3 regions (
protosome, mesosome, metasome), of which the hindmost (metasome) is by far
the largest. Each region contains a coelomic cavity, formed during embryonal ...
8
Nematodes, Leeches, and Other Worms
Certain features inside the body, such as a hollow nerve cord along the top or
dorsal side, mean that although they are invertebrates, they are cousins of fish
and other vertebrates. ACORN WORM The acorn worm has a snoutlike proboscis
.
9
An Introduction to Biology for Everyone
Next we find another peculiar creature, the acorn worm who's a member of the
Enteropneusta. This creature shows definite affinities to chordates in having a
well developed series of gill clefts (see Figure 31b). Many have tried to also
prove ...
William M. MacArthur, Mark N. Ludwigson,
2010
10
A Field Guide to Southeastern and Caribbean Seashores: Cape ...
Northern Acorn Worm. SOUTHERN ACORN WORM Ptychodera bahamensis PIs.
3, 4 Long — to 1m )39 in.). Lives in mucus-lined, U- shaped, intertidal burrows
near low -tide mark (see PI. 4). Posterior of burrow often marked with coiled fecal
...
Eugene H. Kaplan, Roger Tory Peterson,
1999
10 NACHRICHTEN, IN DENEN DER BEGRIFF «ACORN WORM» VORKOMMT
Erfahre, worüber man in den einheimischen und internationalen Medien spricht und wie der Begriff
acorn worm im Kontext der folgenden Nachrichten gebraucht wird.
Melissa's voyage: Looking for active vent sites near Galapágos
CONTRIBUTED PHOTO/Ocean Exploration Trust An acorn worm rests on the seafloor. This one, measuring 30 centimeters, is a scavenger, ... «Ventura County Star, Jun 15»
From Blobfish to 'Adorable' Octopus: 9 Animals with Perfect Names
Yoda purpurata is a species of acorn worm that lives about 1.5 miles (2.4 kilometers) below the surface of the Atlantic Ocean. Its reddish-purple ... «Live Science, Jun 15»
Horrible New Species of 'Penis Worm' Discovered
The slightly younger 'acorn worm' Spartobranchus tenuis, which was also described by members of the University of Cambridge, shows that ... «Krank.ie, Mai 15»
Scientists name worm after Star Wars character
Scientists named a white acorn worm Allapasus isidis after the Natural Environment Research Council-owned remotely operated vehicle ... «Science Recorder, Mär 15»
Bug-Eyed Catfish Named for Greedo in 'Star Wars'
... played by Depp in the 1990 Tim Burton film; a reddish-purple acorn worm with large lips on either side of its head named after the "Star Wars" ... «Yahoo News, Mär 15»
Helen Macdonald: the six books that made me
... and pored over the hundreds of subject entries in this encyclopedia of surreally related objects: Abbey. Acacia. Aconite (Winter). Acorn Worm. «The Guardian, Jan 15»
Nikon Small World Marks 40 Years of Seeing the Invisible
This 19th-place image by Sabrina Kaul of the University of Vienna shows the larval stage of the acorn worm at 10X magnification. Sabrina Kaul ... «NBCNews.com, Nov 14»
Fire Ready Group in Mariposa County: Fire History in the Sierra …
... assisting in the cultivation of plants for food, driving game into the hands of hunters, and cleaning out acorn worm infestations under oak trees ... «Sierra Sun Times, Sep 14»
Deepsea Challenge Hits Theaters; Here's the Biology Behind the Film
Acorn worm larvae strongly resemble echinoderm larvae. And adult acorn worms -- together only with chordates -- have gill-like pharyngeal ... «Scientific American, Aug 14»
It Came from the Deep: David Shale Captures the Beauty and Terror …
A bright Acorn Worm which feeds on sea floor sediment. This one lives at a depth of 8800 feet (2700m): David Shale Photographs Deep Sea ... «Visual News, Mai 14»