which of the following is a characteristic of cephalopods

Hence, option B is the correct answer. They are triploblastic, which three layers. They have a radula. Shape 4. Which of the following is a characteristic that you would not expect to see in this transitional fossil? They are mostly found in the marine environment. The following families of organisms are all examples of arthropods: Insects such as ants, dragonflies, and bees. a) Arthropods have an open circulatory system b) Arthropods have well-developed sensory organs c) Arthropod bodies are completely covered by cuticle d) Terrestrial arthropods have internal structures specialized for gas exchange e) Most arthropod sensory organs are concentrated at the posterior end 5. Selected Answer: postanal tail Answers: scales jaws vertebrae fourchambered heart postanal tail. This answer has been confirmed as correct and helpful. A) They ingest food that is digested in a central cavity. . Log in for more information. Discover the definition and characteristics of mollusks, and explore the three main types: gastropods, bivalves, and cephalopods. Hii,Thanks for your question ANSWER : Step 1 Introduction The deuterostomes include the echinoderms and the chordates. Correct option is A) The phylum Mollusca is typically divided into 9 or 10 taxonomic classes of which two are entirely extinct. Cuttlefish characteristics. Log in for more information. C) They produce an embryo that undergoes development in stages. Their arms will either have cirri . Arachnids such as spiders and scorpions. Which of these cephalopods has an external shell? Reading: Mollusks. The foot is located on the head. A theoretical . Body is divisible into three regions - head, a visceral mass, and ventral foot. Note: Cephalopods are a diverse . Cephalopods always have been marine, never fresh-water or land . We acknowledge that gastropods and cephalopods are phylogenetically distant classes but there are similarities in digestive tract morphology and innervation, which support the mechanisms we propose for vomiting or regurgitation in cephalopods; (2) a rationale for the requirement to vomit or regurgitate is presented based upon voiding . Squid, octopuses, cuttlefish, the chambered nautilus, and their relatives display remarkable diversity in size and lifestyle with adaptations for predation, locomotion, disguise, and communication. Cephalopods are mollusks, where the foot has developed into a set of arms or tentacles. E b. %CODE1% Javascript not enabled Name: Annelids and Mollusks Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. Why are cephalopods considered advanced mollusks? User: Removing a mollusk from its shell is called. D) Cnidarians are herbivores and can be destructive grazers on seaweeds. Body is covered by a mantle and shell. Cuttlefish are cephalopod mollusks whose main characteristic is that they have a hard inner shell. 12. Some of the characteristics are: 1. The following points highlight the twenty-one general characteristics of invertebrates. hence i View the full answer . An active marine predator is found possessing these characteristics: a series of tentacles (modified from the foot), a highly developed nervous system, and elaborate image-forming eyes. Some cephalopods migrate following their food sources, a characteristic that may well have allowed them to survive for millions of years. >Excretory system - Cephalopods possess a single pair of large nephridia which produce nitrogenous waste and excrete it out from the body. Question : 11) Which of the following a characteristic of round fish? Symmetry 6. Weegy: Cephalopods are mollusks, where the foot has developed into a set of arms or tentacles. Some species also have tentacles that are modified of their feet. chitons, gastropods and cephalopods. We review their content and use your feedback to keep the quality high. C They're made up of a body, a head and a foot having a muscular case called a mantle that protects their organs. Cephalopods are a phylum of mollusks that include squids, octopi, the chambered nautilus, and cuttlefish. For instance, external shells only applies to cephalopods if you consider the . They can produce pearls. The gastropod can have either two or four sensory tentacles. Myriapods (a term which means "many feet") such as centipedes and milipedes. B) The more stationary cnidarian body form, which is cylindrical with a ring of tentacles, is the medusa. Which of the following is a characteristic of levelized cost of energy (LCOE)? E)all of the above Answer E. E ) all of the above. All species have 8 arms and 2 retractile tentacles that they . The radula is involved in a. jet propulsion. C) Cnidarians have three true tissue layers. clapping their shells together. Question 14 30 seconds Q. Tags: Question 3 . . [ ] Which of the following are characteristics of the phylum Cnidaria? The open these shells they have to relax their muscles. 8. emdjay23. nautilus. All of these statements describe the phylum Cnidaria. Octopus, Spirula. (1 point) It is the maximum price per kWh at which electricity must be sold in order to break even over the lifetime of a power-generating project. Living cephalopods are members of one of the following two infraclasses: Decapodiformes are all ten-armed and include cuttlefish (order Sepiida) and squids (Teuthida). - is a characteristic of cephalopods. They can live in water or on land. It is a very energy consuming process. d. reproduction eating 2. They are prosomium, truck . . Question 2 30 seconds Q. Score 1 User: What is the main reason that the guts of a fish are often removed on the boat?A. Snails, slugs, and nudibranchs (a slug-like saltwater animal) are all examples of gastropods. Question 15 The vertebrate spinal cord develops from the embryonic _____. Comparing Mollusks Chart KEY. Pigment cells of cephalopods are called ( ). The life cycles of many of its members alternate between a feeding polyp and a reproductive medusa. A characteristic structure found in many mollusks is the radula. Using what you know about the three major classes of mollusks, complete the chart below by checking the correct column or columns for each characteristic. New answers. 21. An "arthropod" is an invertebrate animal that has an exoskeleton, a segmented body, and jointed appendages. The two last ones do not belong to the Cephalopoda class, and also do not have the characteristics to be considered one. This organism is most likely a(n) _____. 30 seconds . Deuterostomes are also known as enterocoelomates because their coelom develops through eneterocoely. The organism could potentially be a crab, a shrimp, a barnacle, or a bivalve. Best Answer. d. The exoskeleton attracts predators. Characteristics: Cephalopods are mollusks, where the foot has developed into a set of arms or tentacles. The exoskeleton prevents the animal from moving rapidly. Transcribed image text: Which of the following organisms would you . Their organs are in a fluid-filled cavity; the word mollusks in Latin means "soft". Hope it helped, BioTeacher101 Any energy transformation involves the loss of some energy as A.Heat 9.As an enzyme fits into a substrate at the active site, it undergoes a slight change to fit into the substrate. A radularian B arachnid C cephalopod D gastropod. Which of the following is not a general characteristic of arthropods? They are bilaterally symmetrical. D) both eyes on one side. Cephalopods have more intelligence (larger brain) and exhibit complexity (complex nervous system). Cephalopods are the most intelligent, most mobile, and the largest of all molluscs. Surprisingly, given their ability to change color, all octopuses [21] and most cephalopods [22] [23] are considered to be color blind. Answer: A gastropod is actually a type of animal that belongs to a class called Gastropoda. Which of the following is NOT a mollusk? In a tide pool, a student encounters an organism with a hard outer covering that contains much calcium carbonate, an open circulatory system, and gills. They are also hav . Decapoda is an order of crustaceans within the class Malacostraca. E.g. This laboratory exercise covers the following animals. The animal must consume large amounts of food to support the growth of the exoskeleton. B) no scales. Cephalopods have been among the dominant large predators in the ocean at various times in geological history. Cephalopods are organisms tha belong to the class Cephalopoda, which is composed by squids, octopus and nautilus. The following families of organisms are all examples of arthropods: Insects such as ants, dragonflies, and bees. Which of the following is a characteristic of levelized cost of energy (LCOE)? a) Arthropods have an open circulatory system b) Arthropods have well-developed sensory organs c) Arthropod bodies are completely covered by cuticle d) Terrestrial arthropods have internal structures specialized for gas . Hi This is all i could get. It is the minimum price per kWh at which electricity must be sold in order to break even over the lifetime of a power-generating project. Molluscs are soft-bodied invertebrates with these defining characteristics: specialized tissue known as the mantle, a feeding structure made up of a band of Unlike the other c . 13 Questions Show answers Question 1 30 seconds Q. Cephalopods move by answer choices using jet propulsion waving their tentacles back and forth. 12) Which of the following is a characteristic of flat fish? Arthropods are a . Myriapods (a term which means "many feet") such as centipedes and milipedes. Click to see full answer. B) Usually undergo sexual reproduction. PRACTICE: The sponges have all of the following characteristics except: a. highly specialized cells b. simple tissues c. a gel-like matrix d. cell recognition e. complex multicellularity. These "brainy" invertebrates have evolved suckered tentacles . - the answers to ihomeworkhelpers.com Biology questions and answers. The mollusks that have a hinged, two-part shell joined by strong muscles are called bivalves. The mantle is a covering. These classes are Aplacophora, Bivalvia, Cephalopoda, Polyplacophora, Gastropoda, Monoplacophora, Pleistomollusca, Rostroconchia, Scaphopoda. The development is direct. It is the minimum price per kWh at which electricity must be sold in order to break even over the lifetime of a power-generating project. Which of these cephalopods has an external shell? crawling along on a single muscular foot. The success of the cephalopods as predators is supported by the presence of a. beaklike jaws b. a complex eye c. a large and complex brain d. tentacles e. all of the above Lahal the structures 68. Some migrate vertically every day, spending most of the day in the dark depths hiding . Mantle helps the . They all have arms -- at least eight of them -- that are attached directly to their heads, but only some species also have tentacles. . View the full answer. In some cephalopods the eyes are as complex as the human eye, and the eye of the giant squid is enormous. View the full answer. Cephalopoda. Cephalopods are the member of class Cephalopoda of the molluscan group such as squid. This process is defined by a concept known as the B.Induced fit model 1.In the context of vision, the blind spot is D. an area of the retina where there are no rods or cones. See Page 1. The earliest known cephalopods are small, shelled fossils from the Upper Cambrian rocks of northeast China that are 500 million years old. . Habitat 2. Question 14 Which of the following is a characteristic of all chordates at some point during their life cycle? The options we have are squids, jellyfish and cuttlefish. Grades of Organization 7. Score 1. The foot is located on the head. Fisherman can do it more quickly than fish market workers. As mentioned before, the cuttlefish is a cephalopod mollusk that belongs to the genus Sepiida. Which of these cephalopods has an external shell? 1.1 Cephalopoda: Decapodiformes and Octopodiformes The group referred to as cephalopods, class Cephalopoda (Cuvier, 1797), belongs to the phylum Mollusca (Linnaeus, 1758). Therefore, from the above discussion it has been clear that Sea squirt is not a cephalopod. Added 1/5/2020 8:47:07 PM. - is a characteristic of cephalopods. answer choices cuttlefish squid octopus nautilus C) swim in vertical position. A) swim in horizontal position. 3. Which of the following is a function of the mantle in many mollusks? b. opening and closing of the shell. a. barnacle b. clam c. octopus d. slug e. snail 66. 21) ______ A) The digestive and circulatory compartment of cnidarians is called the gastrovascular cavity. An "arthropod" is an invertebrate animal that has an exoskeleton, a segmented body, and jointed appendages. All cephalopods have tentacles, most are carnivores, and they are all . e. All of the above e. mode of digestion. Transcribed image text: Cephalopods have several unique characteristics that set them apart from other mollusks. 18) Which of the following are characteristics of thephylumCnidaria? Answer: 1 on a question Which characteristic is unique to cephalopods? They are marine animals and characterised by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot. Their arms will either have cirri . A) a gastrovascular cavity developing from a coelom. Answer: 1 on a question Which characteristic is unique to cephalopods? Rating. Clams, Oysters, and Scallops are bivalve mollusks and are a familiar food source. Mollusks are soft-bodied invertebrates with bilateral symmetry and usually one or two shells. Updated: 11/23/2021 Create an account Coleoid cephalopods (octopus, squid, cuttlefish) have a single photoreceptor type and lack the ability to determine color by comparing detected photon intensity across multiple spectral channels. In a tide pool, a student encounters an organism with a hard outer covering that contains much calcium carbonate, an open circulatory system, and gills. Cuttlefish are cephalopod mollusks whose main characteristic is that they have a hard inner shell. - is a characteristic of cephalopods. The Cephalopod class includes octopuses, squid, cuttlefish, and nautilus: intelligent creatures who live very briefly. Cephalopoda. A cephalopod is a member of molluscan class Cephalopoda. All cephalopods have the same basic anatomy. A: pinacocytes B: odontophores C: chromatophores D: erythrocytes E . The body is soft and unsegmented. SURVEY . Cephalopods nervous system is the most complex of any invertebrate nervous system. The shell is either external, internal, or not present at all. octopus. Let's get to know them a bit better in the following lines. They can produce pearls. Mantle covers the internal organs, may also create shell. Weegy: Cephalopods are mollusks, where the foot has developed into a set of arms or tentacles. You should learn this classification scheme and be able to classify the animals into these categories. Question. All mollusks have a visceral mass, a mantle, and a foot. 2. Tapeworms are highly specialized worms that make their living as endoparasites. D) The adult form is diploid. Mantle enables the mollusk to move. Most cephalopod eyes, like human eyes, contain an iris, pupil, lens, and in some cases, a cornea. 11) Which of the following is a characteristic of round fish? . B) Both are cephalopods C) Both lack a coelom D) Both are mammals E) Both are chordates A) Both are bilaterally symmetrical The first vertebrates with jaws were the cartilaginous fishes The vast majority of all animals are invertebrates Sea anemones, hydras, corals, and jellies are all classified as cnidarians Recommended textbook explanations Q. 29) Which of the following animals moves via muscular hydrostat a) Gastropods and Cephalopods b) Gastropods and Chitons c) Gastropods and Bivalves d) Gastropods only 30) Which of the following is a true statement for the molluscan shell? Question. Most of the mollusks live in water but some live on land. They show organ system grade of organisation. The most highly evolved class of the phylum Mollusca. There are more than 110,000 species that have been identified. Which of the following is a characteristic of all animals? They have a closed circulatory system. answer choices . The chart below can be somewhat flexible, depending on the characteristic. Copy. A B C D . The Cephalopoda is an ancient and very successful group of the Mollusca. - is a characteristic of cephalopods. Another common feature is their ability to squirt ink when threatened. They have a muscular casing called a mantle which contains and protects their organs. Most gastropods have simple eye-spots at the tip. Mollusca Examples. Cuttlefish characteristics As mentioned before, the cuttlefish is a cephalopod mollusk that belongs to the genus Sepiida.

which of the following is a characteristic of cephalopods