Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. They are highly diverse, not just in size and anatomical structure, but also in behaviour and habitat. Meer weergeven Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks . Around 85,000 extant species of molluscs are recognized. The number … Meer weergeven The most universal features of the body structure of molluscs are a mantle with a significant cavity used for breathing and excretion, and the organization of the nervous … Meer weergeven Because of the great range of anatomical diversity among molluscs, many textbooks start the subject of molluscan anatomy by describing … Meer weergeven Opinions vary about the number of classes of molluscs; for example, the table below shows seven living classes, and two extinct ones. Although they are unlikely to form a … Meer weergeven The words mollusc and mollusk are both derived from the French mollusque, which originated from the Latin molluscus, from mollis, … Meer weergeven Estimates of accepted described living species of molluscs vary from 50,000 to a maximum of 120,000 species. The total number of … Meer weergeven Feeding Most molluscs are herbivorous, grazing on algae or filter feeders. For those grazing, two feeding strategies are predominant. Some feed on microscopic, filamentous algae, often using their radula as a 'rake' to comb up … Meer weergeven Web21 dec. 2024 · Molluscs breathe by having gills, known as ctenidia, in a cavity between the mantle and the body. Some cones can produce a potent poison that is fatal to humans if …
11.8: Mollusks - Biology LibreTexts
Web1 dec. 2012 · Mussels — and clams, more so because they are “burrowers” in sediment — are not as simple to clean. First, they need to be scrubbed and rinsed in several changes … Web8 apr. 2024 · Complete answer: Essentially all molluscs inhale by gills that are called ctenidia (comb gills) on account of their brush-like shape. In earthbound molluscs this … fireworks display telford
Where does a mollusc live? - Alltheasks.com
Web22 feb. 2024 · Respiration in mollusca?(answer should be in 5 points) - 15544681. subrat1810 subrat1810 22.02.2024 Biology ... Answer: Basically all molluscs breathe … WebThe Foot. A mollusk has a "foot," the body's muscular section, responsible for movement. The foot of some mollusks has also adapted to attaching to rocks and grasping prey. To … Web8 nov. 2004 · When in water, some breathe with gills, some – with lung, and when on land they have to “absorb” oxygen by the entire body – that is possible due to the blood vessel network located close to the surface. Besides, combined respiration is common among mollusca, i.e. they can breath both by the atmospheric air and by the oxygen dissolved ... etymology of up