WebExpert Answer. 100% (1 rating) Answer: Visceral mass Explanation: Mollusks are made up o …. View the full answer. Transcribed image text: The Type your answer here ! region … The generalized mollusc has two paired nerve cords, or three in bivalves. The brain, in species that have one, encircles the esophagus. Most molluscs have eyes, and all have sensors to detect chemicals, vibrations, and touch. The simplest type of molluscan reproductive system relies on external fertilization, but … 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. … Meer weergeven The words mollusc and mollusk are both derived from the French mollusque, which originated from the Latin molluscus, from mollis, soft. Molluscus was itself an adaptation of Aristotle's τὰ μαλάκια ta malákia (the soft ones; < μαλακός malakós "soft"), … 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 described species is difficult to estimate because of unresolved synonymy. In 1969 David Nicol estimated the probable … Meer weergeven Feeding Most molluscs are herbivorous, grazing on algae or filter feeders. For those grazing, two feeding … Meer weergeven
Phylum Mollusca manoa.hawaii.edu/ExploringOurFluidEarth
Web20 aug. 2024 · Mollusks refer to are a large group of soft-bodied invertebrate animals. Although the phylum Mollusca are made up of a set of incredibly diverse animals, there … WebThe 5 main types of molluscs. 1. Gastropods. The gastropods are the largest group of molluscs and can be found in saltwater, freshwater and terrestrial environments. Most … healthy fast food restaurants list
Annelida - The Classification of Respiratory Systems throughout …
WebRespiration in Mollusca Three types of respiration in Mollusca are present these are:- cuteneous, branchial and Pulmonary. ... relationship between the foot-pore and the … Web11 dec. 2015 · Mollusks are the first animals to have evolved organ systems for respiration and circulation. All mollusks except those in the class Cephalopoda have … WebThe six major classes of mollusks are Aplacophora, Monoplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda. 3. What are the three main mollusks? The three main groups of mollusks are bivalves, gastropods, and cephalopods. 4. What are the four major mollusks? They are gastropods, bivalves, cephalopods, and scaphopods. 5. healthy fast-food restaurants