WebIt lacks legs but moves thanks to a “muscular ventral foot.” The foot has a wave-shaped movement produced by muscular contractions that make the snail “glide” while the foot secretes a slippery mucus that reduces the … WebCephalopod literally means “head foot” in Greek, a reference to the way the cephalopod’s head connects to its many arms. The basic cephalopod body plan includes two eyes, a mantle, a funnel (also called a siphon), and at least eight arms. Some have hard, internal structures, like the cuttlebone in the cuttlefish and the pen in the squid ...

Phylum Mollusca - Characteristics, Classification and …

WebOn a human body, dorsal (i.e., posterior) refers to the back portion of the body, whereas ventral (i.e., anterior) refers to the front part of the body. The terms dorsal and ventral are also often used to describe the relative location of a body part. For example, the stomach is ventral to the spinal cord, which means that the stomach is ... http://shellfish.ifas.ufl.edu/wp-content/uploads/Biology-and-Anatomy-of-Hard-Clam.pdf tesis tentang gaya kepemimpinan

Lab 5: Phylum Mollusca - Amherst

WebJun 8, 2024 · The foot is a retractable as well as an extendable organ. It is the ventral-most organ, whereas the mantle is the limiting dorsal organ. Mollusks are eucoelomate, but the cavity is restricted to a region around the heart in adult animals. The mantle cavity … WebThe body is divided into head, visceral mass, muscular foot and mantle. The head comprises of tentacles and compound eyes. The body is covered by a calcareous shell. The muscular foot helps in locomotion. They have … WebThe gastropods (/ ˈ ɡ æ s t r ə p ɒ d z /), commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (/ ɡ æ s ˈ t r ɒ p ə d ə /).. This class … tesis tentang hukum kesehatan