[DOC] [TLE] The Gastropoda - University of California Museum of Paleontology [PAR] Some gastropod carnivores drill holes in their shelled prey, this method of ... 
Variation in shell morphology in some marine gastropods: Clockwise from ... 
Some snails (such as the whelk Syrinx aruanus) reach about 600 mm in length. ... 
Neritopsines come in all shapes and sizes and can have coiled to limpet-shaped 
shells,... [DOC] [TLE] Snails, Welks, Conchs - Gulf Specimen Marine Lab [PAR] Class Gastropoda (Snails, Whelks, etc.) ... M-840 MOON SNAIL, Polinices 
duplicatus, has a smooth rounded shell and a greatly expanded foot. It plows a 
furrow... [DOC] [TLE] gastropod | class of mollusks | Britannica.com [PAR] Mar 20, 2015 ... The class is made up of the snails, which have a shell. ... A few gastropod types (
such as conch, abalone, limpets, and whelks) are used as food, ... Some adult 
marine snails (Homalogyra) and forest-litter snails (Stenopylis, ... Often a number 
of such shell shapes can be found among species within a single... [DOC] [TLE] Gastropoda - Wikipedia [PAR] The Gastropoda or gastropods, more commonly known as snails and slugs, are a 
large ... The class Gastropoda has an extraordinary diversification of habitats. ... 
periwinkles, whelks, and numerous other sea snails that produce seashells that 
are ..... Some predatory carnivorous gastropods include, for example: Cone 
shells,... [DOC] [TLE] Common Whelk [PAR] The common whelk (Buccinum undatum) is an inhabitant of coastal areas of the 
... Like most other sea snails with a shell the whelk also possesses a lid ... The 
pallial cavity's opening is elongated to form a tube shaped organ called a sipho. 
... When it has found a mussel, the whelk waits in front of it, until the mussel has to
... [DOC] [TLE] Nutrition of Snails [PAR] More distinctly different a carnivorous snail's radula would be, such as ... 
Afterwards the whelk feeds on its prey without the latter being able to help itself. 
... Not to be washed off by the surf, limpets have got a cup-shaped shell and a 
very ... hunt for marine worms (Polychaeta) and other molluscs, larger species, 
such as the... [DOC] [TLE] Shellfish information - Whelks in Barnegat Bay [PAR] Whelks are large marine snails (gastropods) with spiral shells. They are both are 
scavengers and carnivores and travel along (or just under) ... Whelks also have a 
separate hard, horny plate, called an operculum, which ... The shell is smooth 
and generally pear-shaped, with a large body whorl and a straight siphonal canal
. [DOC] [TLE] Carnivorous Marine Snails, Tina Holt | Sea Urchins Magazine [PAR] Oct 9, 2012 ... Each subspecies of carnivorous sea snail has a different favorite food, ... The 
opening doesn't have to be very large for the snail to insert a tube-shaped ... 
Using its radula to chip away at the softened shell, the whelk drills a... [DOC] [TLE] Internet Gastropod Research - GirlTECH [PAR] [marine], Subject: Life Science. Topic: Mollusks. June 1996 ... Do whelks have a 
spiraling shell? 9. What is inside the shell? 10. Are the siphons all the same 
shape and size? Why or why not? 11. ... Are mollusks herbivores or carnivores? 
34. [DOC] [TLE] Whelks by Ronald L. Shimek, Ph.D. - Reefkeeping Magazine [PAR] While I haven't seen a chartreuse or bright blue whelk, I have seen just about 
every other color ... That is, the shell may be thought of as spindle shaped, or as 
two cones joined at ... Although people generally hold a snail shell with one 
pointed end up and the other ..... Whelks, on the other hand, are obligatorily 
carnivorous. [DOC] [TLE] Comparing Herbivores and Carnivores [PAR] Students sort snails into carnivores and herbivores. BACKGROUND: The marine 
environment has many different environments where organisms can live. ... Most 
gastropods have shells, generally in the shape of a spiral with numerous turns. ... 
prey including volutes, bonnets, helmets, olive

Question: The whelk, a carnivorous marine gastropod, has a shell of this shape
Answer: Spiral