WebBivalvia (/ b aɪ ˈ v æ l v i ə /), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore.The …
Bivalve Anatomy (freshwater mussel) - YouTube
WebHow does a sea star open a bivalve such as a clam? The sea star uses its hundreds of tube feet to grasp the clam and cling onto each of its shells. The tube feet exert a force that … WebMay 28, 2024 · When the prey is opened, the sea star pushes its stomach out of its body and into the bivalve, secreting enzymes that digest the prey’s soft body tissues. The liquefied bivalve is then absorbed into the stomach. ... How do starfish open clams? The starfish forces open the shell with suction disks on the underside of its body, and then inserts ... how to motion blur on premiere pro
Bio 211: Chapter 35 Flashcards Quizlet
WebMar 4, 2024 · sea star, also called starfish, any marine invertebrate of the class Asteroidea (phylum Echinodermata) having rays, or arms, surrounding an indistinct central disk. Despite their older common name, they are not … WebThe giant starfish is scientifically-referred to as the “Pisaster giganteus”. The Giant Starfish is also known as the Leather Star, Sand Dollar, Sea Star, Sun Star, and Sea Urchin. The Giant Starfish, as their name suggests, can grow to quite a large size. Therefore, the giant starfish is one of the most interesting and beautiful sea creatures. WebDec 21, 2024 · There are detritivore species, which feed on the decomposing organic matter of the seabed, and other suspensivores, which ingest the phytoplankton that float in the water. Not all starfish are predators, but this is the feeding strategy acquired by the most well-known and abundant species. Without a doubt, the question of what starfish eat has ... mummy cartoon bandages clip art