WebA mollusk is a kind of animal with a soft body. Most mollusks have a hard shell that protects the body. There are more than 100,000 species, or types, of mollusk. Octopuses , oysters, snails , and squid are just a few examples. With the exception of cephalopods, mollusks are by and large gentle vegetarians. Terrestrial gastropods like snails and slugs eat plants, fungi, and algae, while the vast majority of marine mollusks (including bivalves and other ocean-dwelling species) subsist on plant matter dissolved in the water, which they ingest … See more Any group that embraces squids, clams, and slugs present a challenge when it comes to formulating a general description. There are only three characteristics shared by all living mollusks: the … See more Most mollusks are marine animals that live in habitats from shallow coastal areas to deep waters. Most stay within the sediments at the … See more Of the roughly 100,000 known mollusk species, about 70,000 are gastropods, and 20,000 are bivalves or 90 percent of the total. It is from these two families that most people derive their general perception of … See more There are eight different broad categories of mollusks on our planet. 1. Caudofoveatesare small, deep-sea mollusks that burrow into soft bottom sediments. These worm-like animals lack the shells and … See more
Nudibranchs National Geographic
WebJul 2, 2024 · Mollusks are filter feeders, which means they help to clean the water in which they live. They do this by eating phytoplankton, tiny plants that float in the water. Phytoplankton are an important food source for fish and other animals, so by eating them, mollusks help to keep the food chain going. WebMar 22, 2024 · Mollusks are of general importance within food chains and as members of ecosystems. Certain species are of direct or indirect commercial and even medical importance to humans. Many gastropod … dan smith green bay obituary
Whelk Facts and Information - ThoughtCo
WebZebra mussels are an invasive, fingernail-sized mollusk that is native to fresh waters in Eurasia. Their name comes from the dark, zig-zagged stripes on each shell.Zebra mussels probably arrived in the Great Lakes in the … WebThere are more than 2,000 known species of nudibranch, and new ones are being identified almost daily. They are found throughout the world's oceans, but are most abundant in shallow, tropical ... WebClams typically draw in and expel water for respiration and feeding through two tubes, the siphons, or “neck.”. The water is impelled by the beating of millions of cilia (hairlike structures) on the gills; other gill cilia strain food from the incurrent water and transport it, entangled in mucus, to the mouth. birthday publisher