WebThese creatures live in every possible environment on the planet. Only the arthropods are more numerous and diverse. Despite their diversity, mollusks share in common a three-part body plan that includes a head, … WebJun 21, 2024 · (1) Molluscan organogenesis and body plan evolution (a) Shells Shells are the most conspicuous features of molluscs. Yet, their evolutionary origin has been a matter of debate for many decades (Haas, 1981; Kniprath, 1981; Wanninger & Wollesen, 2015 ).
Worms: Phyla Platyhelmintes, Nematoda, and …
WebFeb 6, 2024 · The four parts of the mollusk body plan are the foot (used for locomotion), mantle (which secretes the shell), shell (which covers), and viceral mass (contains heart … WebApr 10, 2024 · Views today: 4.85k. Molluscs (also known as molluscs) are the second-largest phylum of invertebrate animals after Arthropoda. They are smooth-bodied, bilaterally symmetrical, stratified, coelomate animals; usually shelled with a mantle, ventral foot, anterior head, and visceral dorsal mass. Molluscs are very diverse animals and make … software risk assessment matrix
Solved Describe the basic body plan of a mollusk. Explain - Chegg
WebThe name “mollusca” signifies a soft body, since the earliest descriptions of mollusks came from observations of unshelled cuttlefish. Mollusks are predominantly a marine group of animals; however, they are known to … WebOrganisms within the kingdom Animalia can be classified based on their body plan. An animal body plan is the basic structure of the organs and tissues within their bodies. In … WebBiology. Biology questions and answers. Describe the basic body plan of a mollusk. Explain how the body plan of Mollusca has been modified in the Polyplacophora, … software risk issues in test plan