Mollusca Mollusca: Variety
... •Either shell-less or have a single spiral-shaped shell •Move using a ventral foot •Cephalopoda •Ex. Octopi, squids •Most active mollusks •Soft-bodied, no shell or has a hard internal shell •Head is attached to a single foot that divides into tentacles •Bivalvia •Ex. Clams, oysters, mussels, scallop ...
... •Either shell-less or have a single spiral-shaped shell •Move using a ventral foot •Cephalopoda •Ex. Octopi, squids •Most active mollusks •Soft-bodied, no shell or has a hard internal shell •Head is attached to a single foot that divides into tentacles •Bivalvia •Ex. Clams, oysters, mussels, scallop ...
File - Dr. Steve W. Altstiel
... Mucus on the gills traps microscopic food particles, and tiny hair-like cilia on the gills move the food-laden mucus toward the mouth. Liplike structures called palps help sort the food and direct it into the mouth. Bivalves do not have a radula. The food suspended in mucus moves through the digesti ...
... Mucus on the gills traps microscopic food particles, and tiny hair-like cilia on the gills move the food-laden mucus toward the mouth. Liplike structures called palps help sort the food and direct it into the mouth. Bivalves do not have a radula. The food suspended in mucus moves through the digesti ...
File
... The class Gastropoda contains about 40,000 described species of snails, slugs, and similar animals. This class is primarily a marine group, but it also contains many freshwater and terrestrial mollusks. Most gastropods have a shell, but some, like slugs and nudibranchs, have lost their shells throug ...
... The class Gastropoda contains about 40,000 described species of snails, slugs, and similar animals. This class is primarily a marine group, but it also contains many freshwater and terrestrial mollusks. Most gastropods have a shell, but some, like slugs and nudibranchs, have lost their shells throug ...
10-1 Mollusks - Saint Mary School
... grain of sand gets between mantle and shell and irritates the soft mantle...the organism coats the irritant with nacre forming a pearl ocean dwelling mollusk whose foot is adapted to form tentacles around its mouth not all have shells (nautiluse have external shells, squid and cuttlefish have an int ...
... grain of sand gets between mantle and shell and irritates the soft mantle...the organism coats the irritant with nacre forming a pearl ocean dwelling mollusk whose foot is adapted to form tentacles around its mouth not all have shells (nautiluse have external shells, squid and cuttlefish have an int ...
Mollusca
... Cephalopods , which include the familiar squids and octopus , include species which are the largest known invertebrates (giant squid , up to 20 meters long, including tentacles), the most intelligent, and the fastest swimming aquatic invertebrates (squid ). There are also forms with external shells ...
... Cephalopods , which include the familiar squids and octopus , include species which are the largest known invertebrates (giant squid , up to 20 meters long, including tentacles), the most intelligent, and the fastest swimming aquatic invertebrates (squid ). There are also forms with external shells ...
cowries - Two Oceans Aquarium
... Bivalves have a diversity of habitats. Some are attached to rocks in the lower balanoid zone where the waves break at low tide. Some species burrow into sand or mud. Description of Black or Brown Mussels ...
... Bivalves have a diversity of habitats. Some are attached to rocks in the lower balanoid zone where the waves break at low tide. Some species burrow into sand or mud. Description of Black or Brown Mussels ...
Phylum Mollusca
... 37,500 species Snails, limpets, and slugs Marine, freshwater, and terrestrial Most are herbivores ...
... 37,500 species Snails, limpets, and slugs Marine, freshwater, and terrestrial Most are herbivores ...
Molluscs - Demon Internet
... Sexes are separate and fertilisation is internal, but there is no penis. Instead one of the male’s arms is differentiated (usually with smaller suckers at the tip), is used to pull the torpedoshaped chitinous sperm packet out of his genital opening, and insert it into the female’s body cavity. In so ...
... Sexes are separate and fertilisation is internal, but there is no penis. Instead one of the male’s arms is differentiated (usually with smaller suckers at the tip), is used to pull the torpedoshaped chitinous sperm packet out of his genital opening, and insert it into the female’s body cavity. In so ...
Mollusca and Annelids
... • Cephalopoda including squid, octopuses, nautilus, cuttlefish; all marine • Gastropoda including sea snails with shells and marine snails without a shell or with a reduced shell; land snails and slugs, freshwater snails • Bivalvia including clams, oysters, scallops, mussels • Polyplacophora includi ...
... • Cephalopoda including squid, octopuses, nautilus, cuttlefish; all marine • Gastropoda including sea snails with shells and marine snails without a shell or with a reduced shell; land snails and slugs, freshwater snails • Bivalvia including clams, oysters, scallops, mussels • Polyplacophora includi ...
Slide 1 - Primary Resources
... Database Vocabulary It can be useful to collect information. Information can be put on ...
... Database Vocabulary It can be useful to collect information. Information can be put on ...
Phylum: Mollusca - Perth Beachcombers Education Kit
... nautilus belong to the class of molluscs known as cephalopods. Meaning ‘head foot’, the muscular foot common to molluscs has become suckered tentacles that appear to be joined to the head. The basic mollusc shell is internal and highly modified, or in the case of octopus absent altogether. Cephalopo ...
... nautilus belong to the class of molluscs known as cephalopods. Meaning ‘head foot’, the muscular foot common to molluscs has become suckered tentacles that appear to be joined to the head. The basic mollusc shell is internal and highly modified, or in the case of octopus absent altogether. Cephalopo ...
GASTROPODS Copy diagrams in Black page 53.
... just that the rest are the SPIRE. The spire may be high, pointed with many whorls or short with a few whorls. Sometimes the shell can be flattened giving a planispiral form (similar to ammonites). ...
... just that the rest are the SPIRE. The spire may be high, pointed with many whorls or short with a few whorls. Sometimes the shell can be flattened giving a planispiral form (similar to ammonites). ...
Phylum Mollusca
... tissue that secretes the shell. • Foot – ventral, muscular organ that is used in locomotion (sometimes modified into tentacles) • Radula – ribbon of small teeth made of chitin that are used in feeding ...
... tissue that secretes the shell. • Foot – ventral, muscular organ that is used in locomotion (sometimes modified into tentacles) • Radula – ribbon of small teeth made of chitin that are used in feeding ...
Molluscs - SchoolNotes
... on rocks and other surfaces. Oysters-cement their shell to a hard surface. Pearl oysters- form pearls when the oyster secretes calcium carbonate to coat irritations in mantle ...
... on rocks and other surfaces. Oysters-cement their shell to a hard surface. Pearl oysters- form pearls when the oyster secretes calcium carbonate to coat irritations in mantle ...
Pioneer (Delhi) 15/03/06 - India Environment Portal
... Tamil Nadu. Three years ago, the Ministry for Environment tried to stop this killing by declaring the conch snail a protected species under the Wildlife protection Act, 1972. The Chief Minister of West Bengal, in whose constituency most of the killings take place, came to Delhi and put a lot of pres ...
... Tamil Nadu. Three years ago, the Ministry for Environment tried to stop this killing by declaring the conch snail a protected species under the Wildlife protection Act, 1972. The Chief Minister of West Bengal, in whose constituency most of the killings take place, came to Delhi and put a lot of pres ...
What is a Mollusk?
... mouth) and radula (teeth), well developed tentacles (for finding food), and a pair of eyes that enable them to detect light and dark. The shell encloses the mantle cavity. Gastropods may burrow, crawl, swim, float, or be sedentary. Gastropod feeding habits are extremely varied and include grazers on ...
... mouth) and radula (teeth), well developed tentacles (for finding food), and a pair of eyes that enable them to detect light and dark. The shell encloses the mantle cavity. Gastropods may burrow, crawl, swim, float, or be sedentary. Gastropod feeding habits are extremely varied and include grazers on ...
Phylum Mollusca
... and annelid worms that they first paralyze with poison contained in their hollow radula teeth. The poison is also toxic to humans, causing paralysis and sometimes death. ...
... and annelid worms that they first paralyze with poison contained in their hollow radula teeth. The poison is also toxic to humans, causing paralysis and sometimes death. ...