SHELL: Shape: (orbicular, trigonal, rhomboidal, quadrate, oval, oblong, elongate, etc.). Lunule: present or absent; Estucheon: present or absent. Umbo: prosogyrous, opisthogyrous, orthogyrous; anterior, median, posterior Anterior end: Shape: rounded, truncate, pointed, rostrate; length relative to posterior end. Posterior end: Shape. Ventral margin: Shape: straight, concave, convex; Type: entire, toothed, scalloped, etc.

Q: What molluscan features can be seen in other invertebrate phyla? Explain.

A: Animals are classified on the basis of presence of spinal cord and backbone into vertebrates (…

Q: Describe the unique anatomical features of mollusks

A: BASIC INFORMATION  MOLLUSCA  This is a  phylum of animal kingdom in which the organisms are…

Q: Describe the morphology and anatomy of mollusks.

A: Phylum can be defined as the level of classification or  belongs to taxonomic group below kingdom…

Q: Identify the unique features of the molluscs.

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

Q: sea star How does a sea star protect its tube feet?

A: Seastar:   Seastar is also known as starfish. It belongs to class Asteroidean and it is star shape…

Q: Explain in detail the external characters of Scoliodon?

A: Class Chondricthyes includes the cartilaginous fishes. The fishes bear endoskeleton made up of…

Q: . Identify three characteristics found in all molluscs.

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

Q: Give a short note on scales of Labeo?

A: Fish scale is a small rigid plate that grows out of the skin of a fish.  In most of the fishes, the…

Q: Distinguish between polyp and medusa forms.

A: The phylum cnidaria comprises approximately 9000 species. It includes hydra, jellyfishes, sea…

Q: Explain the preferable microscope settings for studying fertilization & maturation in Ascaris eggs.

A: Ascaris is infection to human where Fertilized and unfertilized Ascaris lumbricoides eggs are passed…

Q: Describe structure of mature archegonium of Selaginella.

A: Archegonium of Selaginella: The Archegonium is a short flask shaped strucuture embedded in female…

Q: 26.Plin spital gastropods calling in which the whorls are arranged spirally in more than one plane…

A: Need to find whether the given statement is true or not. Given: Plin spital gastropod whorls are…

Q: What is the Taxonomy of Land Flatworm? and its scientific name?

A: The science and process of classifying, naming, and categorising living organisms based on shared…

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: What features of Lumbricus indicate that it is an annelid?

A: The phylum Annelida consists of worms like the ring worms, earthworms and segmented worms. They have…

Q: Write a note on mode of fertilization in Selaginella.

A: Selaginella is the only life genus from the Selaginellales  order and is generally referred to as…

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 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: A) Give the shell number (upper right corner of slide) B) Give the scientific name of the shell C)…

A: Unio is a medium-sized freshwater mussels, aquatic bivalve mollusks belonging to the family Uniodae.

Q: How many spinelets of blue sea star crown each paxillae?

A: Sea star also known as star fish belongs to the kingdom Animalia. They are star shaped and are…

Q: What phylum is a ray in

A: These are  cartilaginous fishes belonging to the super order Batoidea. Commonly known as ray or…

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 is the scientific name for the gas filled bladder of the giant kelp?

A: There are many different organisms found on the planet. Plants are organisms with eukaryotic cells…

Q: What are the example of annelida?

A: All the animal species on Earth are classified into different phyla or groups. They are classified…

Q: What is the difference between a giant african snail and cowry in terms of shell shape, color and…

A: Introduction : After The Arthropoda, Mollusca Is The Second-largest Phylum Of Invertebrate Animals.…

Q: Give the broad definition of Annelida.

A: Introduction Phylum Annelida belongs to the kingdom Animalia. They are found in both aquatic and…

Q: What is the name of the larva of corals and sea anemones? What is the biological importance of that…

A: Corals belong to the class Anthozoa of the phylum Cnidaria.  They are marine invertebrates and are…

Q: What is labelled diagram of Helobdella ?

A: Animal phyla are classified according to certain characteristic features such as the type of body…

Q: Discuss the phenomenon of torsion in the Mollusca and discuss the benefits thereof.

A: Torsion occurs in almost all gastropods(molluscs) at the time of larval development. Torsion can be…

Q: Give the differences between Petromyzon and Branchiostoma with respect to the reproductive system?

A: The chordates belong to the phylum Chordata. Vertebrates is the subphylum under chordates that is…

Q: Define Fragmentation Reproduction in spirogyra (Breif)

A: In Spirogyra reproduction takes place by three methods vegetative reproduction sexual reproduction…

Q: Certain mollusk shells can be much tougher than others, but are not extremely tough compared to many…

A: Introduction  Molluscan are the mostly marine sometime also found in fresh water and on land. These…

Q: Explain the structure and functions of the mollusk mantle.

A: Mollusks are a phylum with a wide range of species. Mollusks can be as little as a grain of sand. A…