Molluscas are the most abundant and abundant species of animals in the animal kingdom, with more than 100,000 species, accounting for about 40% of the total number of animal species. These animals have soft bodies and come in a variety of shapes, including snails, slugs, anemones, octopuses, squid, mussels, scallops, clams, starfish, sea cucumbers, and more.
Let's take a closer look at some of the species of mollusks:
1.Snails: Snails are common mollusks with a soft, spiral-shaped body that is usually encased in a hard shell. Snails feed on plants and are an important member of the ecosystem.
2.Slug: A slug is a mollusk with a soft, hard-shelled body that is usually covered in a layer of mucus. Slug feeds on plants and is a common horticultural pest.
3.Sea anemones: Anemones are a type of cnidarian, but unlike invertebrates, sea anemones belong to vertebrates. The anemone's body is soft, umbrella-shaped, and usually covered with tentacles. Sea anemones feed on plankton and are an important member of the marine ecosystem.
4.Octopus: The octopus is a cephalopod that belongs to the phylum molluscs. Octopuses have a soft, spherical or oval body, have a strong ability to shape, and usually have eight tentacles. The octopus feeds on fish, crustaceans, etc., and is a very intelligent marine animal.
5.Squid: Squid is a cephalopod that belongs to the phylum Mollusca. The body of the squid is soft, spindle-shaped, and usually has ten tentacles. Squid feeds on fish, crustaceans, etc., and is a very flexible marine animal.
6.River mussels: River mussels are bivalves that belong to the phylum Mollusc. The body of the mussel is soft, fan-shaped, and usually covered with two hard shells. River mussels feed on plankton and are an important member of freshwater ecosystems.
7.Scallops: Scallops are a bivalve that belongs to the phylum Mollusca. The body of the scallop is soft, fan-shaped, and usually covered with two hard shells. Scallops feed on plankton and are an important marine economic animal.
8.Clams: Clams are a bivalve that belongs to the phylum Mollusca. The body of the clam is soft, fan-shaped, and usually covered with two hard shells. Clams feed on plankton and are a common seafood ingredient that is loved by people.
In addition to the mollusc species listed above, there are many other species of mollusks such as sea urchins, starfish, sea cucumbers, abalones, turtles, and many more. Each mollusk has its own unique morphology, ecological Xi and biological characteristics that make it an integral part of the Earth's ecosystem. It is worth noting that due to the wide variety of mollusks and their different morphologies, there is a certain complexity and controversy in the classification. At present, the scientific community's classification methods and systems for molluscs are still being continuously improved and updated. Autumn and Winter Check-in Challenge