The shells of molluscs have 3 layers. Which is not one (nacreous/mantle/periostracum)?

Q: Define coelom

A: The body's cavities or spaces include the internal organs, The two main cavities are the ventral and…

Q: Torsion is a unique feature of molluscs. O A. Yes O B. No

A: Mollusca (members are known as molluscs or mollusks) is the second-largest phylum of invertebrate…

Q: What are the four major characteristic features of molluscs?

A: Mollusca is the second largest animal phylum. Molluscs are terrestrial or aquatic (marine or fresh…

Q: Textularia Aperture: Chambers: Periphery: Proloculus: Septum (last):

A: Textularia  It includes many vagile (having ability to move from one place to another) inbenthic…

Q: How permeable are egg shells?

A: Cells are the smallest functional and structural unit of all organisms. All cells have a cell…

Q: What are examples of the ecological and economic importance of molluscs?

A: Molluscs are any animal that has a soft body, no spine, and is often covered with a shell. The…

Q: . Identify three characteristics found in all molluscs.

A: The group of eukaryotic, multicellular, and heterotrophic organisms is classified under the kingdom…

Q: mollusca physiology

A: Mollusca's are the second largest animal phylum.These are sluggish invertebrates, with triploblastic…

Q: Most molluscs have an external shell of some have an internal shell such as and and others don't…

A: Molluscs is a phylum that belongs to Non Chordates. They comprise the second largest phyla.Mollusc…

Q: Using Figure 31.2, identify the general characteristics of a mollusc.

A: Mollusks are bilaterally symmetrical, segmented, soft-bodied, coelomate animals. The molluscs have a…

Q: How is the body of gastropods divided?

A: Molluscs are both terrestrial and aquatic organisms that have an organ-system level of organization.…

Q: What are the internal and external structures together with its function of Aplacophora,…

A: Phylum Mollusca is the most abundant phylum in the aquatic system having an estimated 23% of all…

Q: . What features do all mollusks share?

A: Mollusk also spelled mollusc, is the second-largest phylum of soft-bodied invertebrate animals, with…

Q: First with body segmentation 1. Echinodermata2. Platyhelminthes3. Annelida4. Porifera5.…

A: The kingdom Animalia is classified into vertebrates and invertebrates. Some of the invertebrate…

Q: Evolution does not always lead to complexity. Is this true in molluscs? Why or why not?

A: No, this statement is not true for molluscs because molluscs have well developed and complex organ…

Q: PLEASE HELP

A: Step 1:     Step 2: Step 3: Step 4:

Q: What is the function of the snail shell used by the hermit crabs? Do you think it could survive…

A: Hermit crabs, distributed worldwide, occur in coastal waters with sandy or muddy bottoms, and…

Q: Explain how each molluscan feature is modified, compared to gastropod and bivalve body plans. 1)…

A: Cephalopods, Gastropods and Bivalvia are all classes of Molluscs. They differ in their habitats. For…

Q: Answer the following questions briefly but concise: 1. Justify the statement " Members of the Class…

A: Note: Upload 2nd question separately, here i have given answer of 1st question. Answer: 1.…

Q: In the different lineages of molluscs, it is easy to understand the variations from the basic…

A: Molluscs are very diverse animals which include snails, octopuses, squids, oysters, clams, etc. The…

Q: Unifying features include shell, mantle, radula, foot, visceral mass Which classes show a loss of…

A: Mollusca is the  second largest phylum of the invertebrate animals.  Answer;1    The mollusk (or…

Q: What are some representatives of the phylum Mollusca?

A: Characteristics of Mollusca is- 1. They are triploblastic. 2. They are bilaterally symmetrical. 3.…

Q: Which part of a gastropod shell houses the viscera of the organism? protoconch body whorl columella…

A: Gastropods are a highly diverse Class of molluscs having an asymmetrical arrangement called torsion.…

Q: Molluscs can seem extremely different yet they share several core features. Sketch, label, and…

A: * many types of mollusca are present in the groups  Bivalvia  Cepholoda  Gastropods . Common…

Q: What are the importance of molluscs to other organisms, environment, medicine, etc.?

A: Introduction Mollusca is the second-largest phylum of invertebrate organisms after Arthropoda, with…

Q: ifferentiate the following mollusks in terms of (a) locomotion (b) feeding and habitat (c)…

A: A mollusk, often spelled mollusc, is any soft-bodied invertebrate of the phylum Mollusca that is…

Q: Mollusks secrete a calcified shell from their mantle. True False

A: These are Various characteristics feactures of Mullusca 1. Their symmetry is Bilateral. 2. They are…

Q: Describe the evolutionary history of snails (Molluscs). In which eon, era and period did the first…

A: The Arthropoda, whose members are referred to as molluscs or mollusks, make up the biggest phylum of…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.