Which of the following is NOT characteristic of both ctenophores and cnidarians? O C. epidermis A. mesoglea B. anal pores D. statocyst O E. gastrodermis

Q: a) The cocoon in the earthworm is produced by the b) Most annelids possess tiny bristles called c)…

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction:…

Q: Which of the following animal groups adopted a sedentary mode of life as adults? O P. Nematoda O P.…

A: Phylum is a category or rank in the taxonomy, and it is a level of classification above class and…

Q: Which is/are charactersitic of scyphozoans? O A. oral arms B. medusa stage only O C. scyphistoma D.…

A: INTRODUCTION Scyphozoans They are true jelly fish comes under phylum cnideria.

Q: A defining feature of the Ecdysozoa is aa. segmented body.b. closed circulatory system.c. cuticle.d.…

A: The Ecdysozoa is a group of protostome animals that belong to the arthropod, Nematoda, and several…

Q: What class under Platyhelminthes contains proglottis ? a)Nematoda b) cestoda c) plasmodium d)

A: Answer is c.) cestoda.

Q: Unlike other coelomate animal phyla, mollusks lacka. segmentation.b. cephalization.c. three primary…

A: Coelomate animals are those that contain a body cavity enclosing coelom with a complete lining…

Q: Which of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True…

A: The differentiation of the anterior end into the head is known as cephalization. It is associated…

Q: A land snail, a clam, and an octopus all share(A) a mantle.(B) a radula.(C) gills.(D) distinct…

A: The land snail refers to numerous snail species which lives on land. A clam refers to a bivalve…

Q: Cnidocytes are found in _____. a. phylum Porifera b. phylum Nemertea c. phylum Nematoda d. phylum…

A: There is a great diversity of organisms in the Kingdom Animalia. It is further divided into several…

Q: Cnidocytes (a) are characteristic of sponges (b) are found among cells lining the gastrovascular…

A: The group of eukaryotic and multicellular organisms that are heterotrophic and belong to the kingdom…

Q: Serial segmentation is a key characteristic of which of the following phyla? a. Mollusca b.…

A: The organisms of the ecosystem have significant properties. Depending upon the different features of…

Q: The larval stage of a cnidarian is known as a a. medusa. b. planula. c. polyp. d. cnidocyte.

A: Non-chordates are the life forms that do not have any backbone or notochord in their structure.…

Q: a) List down subclasses of Gastropoda b) Snails are distinguished by an anatomical process known as…

A:

Q: A ciliated epidermis persists in the mature form of a flatworm belonging to which class?    a.…

A: Any member of the invertebrate class Cestoda (phylum Platyhelminthes), a group of parasitic…

Q: Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and…

A: (a) radial and bilateral symmetry -  Bilateral symmetry is where the left and the right sides of the…

Q: 1. Define the following                a. Operculum                b. Spine                c.…

A: Trematodes are parasitic flatworms that reproduce through sexual or asexual mode but both take place…

Q: If the lateral cilia of pterobranch tentacles are inactivated what would be the likely consequence?…

A: Pterobranchia are marine invertebrates that live in the ocean flower and are small worm-like…

Q: Bivalves, cephalopods, and gastropods are alla. arthropods.b. lophophorans.c. cnidarians.d.…

A: Animal Kingdom is a diverse group, including organisms ranging from non-motile simple sponges to…

Q: Which is true of Anthozoa? O A. all marine O B. cnidocytes in gastrodermis O C. medusae O D. All of…

A: Sea anemones, stony corals, and soft corals are all members of the Anthozoa class of marine…

Q: Flatworms (platyhelminthes) possess a a. metanephridial system  b. protonephridial system c.…

A: Platyhelminthes are flatworms having many classes of triploblastic and are acoelomate flatworms that…

Q: Characteristics of mollusc are O A. Mantle B. Mantle cavity O C. All of these O D. Coelom E. Radula

A: Cells are the basic unit of life. Living organisms could either be unicellular or multicellular.…

Q: The presence of a bony skeleton, an operculum, and a swim bladder areall defining characteristics…

A: The Myxini have a partial cranium (skull) and skeleton is composed of cartilage. The Lampreys lack…

Q: A mantle and mantle cavity are present in _____. a. class Oligochaeta b. class Bivalvia c. class…

A: The animal kingdom is separated into several phyla due to the different anatomical and physiological…

Q: Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid…

A: The segmented body is the most noticeable of the annelid phylum's identifying characteristics. The…

Q: Inarticulate brachiopods

A: Answer: Inarticulate brachiopods = These are the brachiopods which have untoothed hinges , but a…

Q: Which structure stops large particles from going into the cephalochordates pharynx? A. mucous net…

A: Answer :- Correct Answer is option B

Q: Which of the following worms deposit their eggs in the perianal folds? a)tapeworms b)liver fluke…

A: These are all human parasitic nematodes or trematodes.

Q: Members of Chondrichthyes differ from members of Osteichthyes by having (a) ________. a. jaw b. bony…

A: Fishes are divided into three classes:- 1) CRANIATES that are jawless fishes. 2) GNATHOSTOMES that…

Q: How should this animal be classified? A Arthropoda C Mollusca B Annelida D Platyhelminthes

A: A dichotomous key is a useful scientific tool for identifying various organisms based on their…

Q: 1. Necturus moculosus, example of a salamander skin texture Body division: a broad flat head…

A: Necturus maculosus belongs to the phylum Chordata and the family Proteidae. It is commonly known as…

Q: Brachiopoda 1. А Testudines 2. B Osteichythes 3. С Aves 4. D Myxinoidea 5. E 6. F Rotifera 7. G…

A: The study of links between various groups of species and their evolutionary development is known as…

Q: Which of the following descriptions or features does/do NOT apply to Phylum Nematoda?    a.…

A: Introduction  Roundworms are organisms that belong to the phylum Nematoda. Nematodes in the soil eat…

Q: this is dugesia  Compare the body plan of Dugesia and cnidarians. Aside from differences in…

A: Cnidarian and Platyhelminthes (Dugesia) are invertebrate animals that do not contain notochord and…

Q: Heterocoelous centrum is a characteristics of- (A) Amphibia (B) Reptilia (C) Birds (D) Mammalia

A: Introduction - Multicellular eukaryotic animals make up the animal kingdom. Invertebrates and…

Q: _______function(s) in the movement of cnidarians. a. A hydrostatic skeleton c. Cnidocytes b. Tube…

A: Phylum cnidarian is coelenterates that lack the body coelom (acoelomate). They are marine animals…

Q: Turbellaria are flatworms that have most of their body filled with: O a. Alarge complex reproductive…

A: Turbellaria belongs to phylum Platyhelminthes and they are so named because they create turbulence…

Q: Annelids have (a): a. pseudocoelom. b. true coelom. c. no coelom. d. none of the above

A: Answer is b.)  true coelom.

Q: explain the meaning of the following characteristics of animals a)triploblastic b)bilateral…

A: Zoology is the part of science that concentrates on the animal kingdom, including the design,…

Q: Insects that are primitive have a life cycle that differs from advanced insects in that: O a. They…

A: Answer:  PRIMITIVE INSECTS = primitive means old and those from early ages. primitive insects are…

Q: There is current controversy about which group is sister to the rest of the animals. Which two of…

A: The animals are those organisms who are made up of animal cells. They don't have cell wall around…

Q: 6. In molluscs.the umbones are other. when they face each a. prosogyroUs b. opisthogyrous c.…

A: Mollusca is the second largest invertebrate animal phylum after Arthropoda, and its members are…

Q: If the lateral cilia of pterobranch tentacles are inactivated what would be the likely consequence?…

A: Pterobranchia are marine invertebrates that live in the ocean flower and are small worm-like…

Q: Sexual reproduction in cnidarians may be carried out by which body form

A: Cnidarians are the aquatic invertebrate animal from the phylum Cnidaria. Cnidarians have two body…

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

A: E. Deposit feeding echinoids.

Q: Which of the following is/are adaptation(s) to the terrestrial environment in Arthropoda? A.…

A: Arthropods are the jointed legs organisms that lives both on land and water. The organisms from this…

Q: whihc of the following arthropod regions does not bear legs a) cephalothorax b) abdomen c) all of…

A: Most arthropod's bodies have three sections - the head, the thorax, and the abdomen.    The thorax…

Q: Which of the following Phylum arealso called flatworms?A. Mollusca      B. ChordataC. Ctenophora  D.…

A: The animal kingdom is divided into many phyla. The major species of the animal kingdom include…

Q: A multilayered cuticle that is periodically molted characterizes A. nematodes B. kinorhynchs O C.…

A: Despite the current use of molecular tools, the evolutionary links between gastrotrichs and other…

Q: A NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA GASTROPODA B CEPHALOPODA SCAPHOPODA…

A: A cladogram is drawn to represent proposed evolutionary (phylogenetic) relationships between…