Which is/are true of the mollusc radula a toothed structure is a synapomorphy of Mollusca is situated in the foregut present in bivalves         A potential disadvantage of torsion in gastropods: consumption of feces more efficient gas exchange head protection small body size

Q: What are shared characteristics of all Molluscs? Choose All That Apply visceral mass mantle muscular…

A: Mollusc is the second largest phylum in animal kingdom. They can be terrestrial or aquatic. They…

Q: Which of the following organisms would expect to have the largest surface-area-to-volume ratio?…

A: All the three (mollusks, platyhelminthes, nematodes ) belong to the same kingdom that is animalia.…

Q: A man of 40-years old, who lives in the pise-walled house, came to the lab. He found in the wall…

A: Arthropods Arthropods are organisms belonging to the phylum Arthropoda. These are the invertebrates…

Q: Sponges from the phylum Porifera ... [choose the incorrect response}   Question 29 options:   have…

A: Introduction Sponges are the member of the phylum porifera. They are multicellular organism. They…

Q: Which of the following characteristics are unique to a ctenophore? Do not possess nematocysts; A…

A: Question - Which of the following characteristics are unique to a ctenophore? A) Do not possess…

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: Fill in the table with the distiguishing characteristics of the different phyla of invertebrates…

A: phyla organ system unique features Porifera They do not posses any organ system they have pores…

Q: It forms pseudopods that ooze forward or backward. It contracts longitudinal muscles, which puts…

A: Ans- It contracts longitudinal muscles, which puts pressure on the hydrostatic skeleton and causes…

Q: You spent time in a body of freshwater in the tropics and sometime later become fatigued and develop…

A: Answer The classes Cestoda, Trematoda belongs to the phylum Platyhelminthes. It consists of…

Q: Animals in __________ and __________ typically have structural features made of calcium. Group of…

A: Calcium is an element which is present in many organisms including humans.

Q: Spicules are formed by Scleroblasts Silicoblasts Scleroblasts Calcoblasts

A: The animal kingdom is classified into 11 phyla on the basis of fundamental features like circulatory…

Q: ill in the table with the distiguishing characteristics of the different phyla of invertebrates…

A: The distinguishing characteristics of the different phyla of invertebrates are given below:

Q: In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system…

A: INTRODUCTION Flatworms These are acoelomic unsegmented worm having bilateral symmetry, and three…

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: hoose which is FALSE among the following statements about the anatomy of annelids. A. Earthworms…

A: Phylum Annelids is an invertebrate it includes  segmented worms ,terrestrial and aquatic earthworm ,…

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: Which of the following characterizes hominoids? [Select] [ Select ] They all have large, complex…

A: Hominoids are also called apes, refer to the family of primates that includes 22 species including…

Q: a desert millipede is an invertebrate, explain the mechanism of their protective structure. provide…

A: Answer: Introduction: Millipedes are type of arthropods which are containing two pairs of connected…

Q: What is the primary characteristic of the Ecdysozoa (Nematoda + Arthopoda)?

A: Answer: Ecdysozoa : These are the superphylum which includes arthopoda and nematoda , which have…

Q: Man appealed to the laboratory in Middle Asia. He lived in village in the pise-walled house and…

A: Ticks Ticks are small parasites belonging to the phylum Arthropoda, capable of causing various…

Q: Brachiopods may occur in depth - related assemblages are so adapted in order to exclude foreign…

A: Brachiopods are the marine animals that have an extremely old origin on earth. They evolved some 550…

Q: Which of the following lack setae:(can be more than 1 nemerteans leeches earthworms polychaetes

A: Setae are frequently employed by insects as a high-surface-area substrate over which a pheromone is…

Q: Fill in the table with the distiguishing characteristics of the different phyla of invertebrates…

A: Prokaryotes are organisms that are essentially unicellular and lack a well-organized nucleus as well…

Q: A terrestrial animal species is discovered with the following larval characteristics; exoskeleton,…

A: The arthropods are the animals that consist of an exoskeleton, system of tubes for gas exchange and…

Q: Siphonicle neck in ammonoidea is directed forwads Select one : True False

A: Ammonoidea These belong to the class of Cephalopoda. These are extinct marine molluscs which are…

Q: Which of these are characteristics resulting from the terrestrialization of insects? (mark all that…

A: As per our policy, we are answering the first question only. For the rest of the questions, kindly…

Q: A radula in a gastropod is     a female reproductive structure     A sharp, tooth like structure…

A: Step 1 Gastropods are commonly known as snails and slugs, belonging to a large taxonomic class of…

Q: Thich one of the following statements about organisms in the Phylum Rotifera is NOT true? When it…

A: Rotifers are found in freshwater habitats all over the world, with a few saltwater species thrown in…

Q: this is mytilus edulis. You may have noticed that many mollusks evolved to form a shell although…

A: Mytilus edulis also known as a blue mussel or common mussel is an edible marine bivalve mollusk.

Q: Aquatic molluscs have a blood vascular system & metanephridia so they must also possess an…

A: Introduction  Any Molecule That Improves The Oxygen Carrying Capacity Of Blood Is Referred To As A…

Q: Make a bracketed or indented dichotomous key for identifying and classifying the 9 major…

A: * A dichotomous key is  used to identify different organisms and species based on observable…

Q: Give two specific anatomical features of free-living and parasitic flatworms and relate it to their…

A: Flatworms come under the phylum Platyhelminthes. Some important and salient features are: They are…

Q: a desert millipede is an invertebrate, explain the mechanism of their protective structure. provide…

A: Scientific explanation

Q: Describe the general characteristics of mollusks. Describe the general characteristics of annelids.…

A: The main characteristics of Invertebrates are they lack backbone. Invertebrates are various types…

Q: O This organism is in the same Phylum as which of the following organisms? O jellyfish Osea urchin…

A: Snails are small, shelled creatures that roam this world. In their scientific classification, they…

Q: The planula stage in Cnidarians is similar to what life stage in two other non-animal organisms?…

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: While the aminotic egg offers many advantageous, it also has limitations. Which of the following is…

A: The evolution of the amniotic egg is one of the most important evolutionary steps which leads to the…

Q: You spent time in a body of freshwater in the tropics and sometime later become fatigued and develop…

A: It is considered as second most devastating infection after malaria by WHO.

Q: Members of the phylum Platyhelminthes have two body forms: free-swimming medusa and stationary…

A: The phylum Platyhelminths includes the soft bodies worms that are bilateral and unsegmented…

Q: A comb jelly and a jellyfish differ from each other because a ctenophore ___A ___ , while a…

A:

Q: a japanese spider crab is an invertebrate, explain the mechanism of their protective structure.…

A: The Japanese spider crab is a type of marine crab that can be found in Japan's oceans. It is the…

Q: The rasping tongue that many molluscs use to feed on prey is called Oa radula. O the nematocyst. the…

A: After arthropods ,mollusc is the second phylum containing vast majority of invertebrates.

Q: What type of symmetry is seen in the roundworm? Does it exhibit cephalization? Ascaris is a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: REATE AN ADDITION TO THE GRAPHIC. GIVEN THE FOLLOWING INFORMATION. MOLLUSKS ARE DIVIDED INTO THREE…

A: mollusc is the second largest phylum and its body is covered by shell.they are characterized by the…

Q: Parasitic flatworms have very different bodies than free living flatworms. Which of the following…

A: Platyhelminthes Includes flat worms(dorsiventrally flattened), most primitive bilateral animals,…

Q: A unique feature of the gastropods is that they undergo the process of embryonic torsion. This…

A: The Gastropod group of animals belong to the Kingdom Mollusca. They are characterized by the…

Q: List at least three features of squid that contribute to their sucess as predators.

A: Mollusca is a phylum that includes marine invertebrates. It is the second-largest phylum after…

Q: Feeding rosettes can be observed on the surface of the sediment and are formed by A. suspension…

A: Answer: Feeding rosettes can be observed on the surface of sediment and are formed by - b) some…

Q: Which of the following descriptions applies to members of the Phylum Acanthocephala? Select all that…

A: Acanthocephala phylum : include of parasitic worms which are  referred as  acanthocephalans,…

Q: Which one of the following arthropods has biramous appendages?     scorpion     mite…

A: An arthropod is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed…

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.