WebEssentially all mollusks have a muscular foot that is primarily used for locomotion but may be adapted for different purposes in different species. The mollusk life cycle includes one … WebWorms are invertebrate animals with bilateral symmetry. Worms have a definite anterior (head) end and a posterior (tail) end. The ventral surface of worms and other organisms is the bottom side of the body, often closest to the ground. The dorsal surface is located on the upper part of the body facing the sky. The lateral surfaces are found on the left and right …
Mollusk - General features Britannica
WebExpert Answer 100% (1 rating) 6.In Phylum mollusks, foot is the part used for locomotion. Locomotion varies according to the structure of the foot. Pelagic forms have foot modified inti wing- like parapodia. Herbivorous forms have gliders, moving on waves of muscular contractio … View the full answer Transcribed image text: 6. WebJul 20, 2024 · “The primary examples of bio-hydraulics are in invertebrate animals like mollusks, crustaceans and jellyfish,” Block said. “It’s unusual to observe bio-hydraulic locomotion in vertebrate animals, which involves the … bingley library opening hours
14.4: Phylum Mollusca - Biology LibreTexts
WebThe mollusks are a diverse group (85,000 described species) of mostly marine species. They have a variety of forms, ranging from large predatory squid and octopus, some of which show a high degree of intelligence, to small grazing forms with elaborately sculpted and colored shells. The annelids traditionally include the oligochaetes, which ... WebLocomotion Though largely sessile, Bivalves still have the ability to move short distances. The most common method of moving based on studies by Nordsieck (2011) is reaching their muscular foot from out of their shell, … WebBoth the mollusk and annelid all develop from trochophore larvae why are mollusks used to test water quality they concentrate pollutants in their tissues Feeding apdations and … bingley leeds