Q: Poriferans and placozoans lack muscle cells and nerves. O True O False
A: Kingdom animalia is the Kingdom that contains organisms the following characteristics: They are…
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: 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: Which Hymenoptera lives in secret
A: Hymenoptera is one of the largest orders of insects and includes species of bees, wasps, hornets,…
Q: Choose the correct and give reasons for the same: Sycon (Scypha), Spongilla (Freshwater sponge) and…
A: Phylum is the primary subdivision of a taxonomic kingdom in which all classes of organisms that…
Q: JM. Cavanihac A 0.1 mm
A: Some animals go through metamorphosis to become an adult. A larva is a distinct juvenile form of…
Q: Two embryonic germ layers are characteristic of Porifera and Cnidaria. O True O False
A: The embryonic development is characterized by the formation if primary layers of cells, which are…
Q: Are leeches predators or parasites? What reasons would you give for both possibilities?
A: In ecology, predation is the term use to define those organisms who feeds on other organism.…
Q: Which of the following taxa contain some freshwater species? O Xenacoelomorpha and Platyhelminthes O…
A: There are some taxa that represent such organisms that can't resist the saline water but they can…
Q: All ctenophores have tentacles O True
A: false
Q: Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E.…
A: Stalked Jellyfishes are the sole living members of Class Staurozoa.
Q: В Identify the life history stage labeled А А. A. planula larva В. polyp C. medusa D. zooplankton
A: Cnidarians are commonly known as coelenterates which include jellyfish, hydra, sea anemones, corals…
Q: Function of the mouth in cnidarians includes O A. food ingestion B. solid waste egestion O C. water…
A: Cnidarians are the aquatic invertebrates that exhibit two phases of life: The free-floating stage…
Q: Match the taxa to their feeding mode + Pterobranchia A. Suspension feeders + Cephalochordata B.…
A: Pterobranchia is suspension feeders. They use their hollow ciliated arms and tentacles to catch…
Q: hich of the following taxon-character combinations is correct? O Arthropoda, acoleomate Nematoda,…
A: Arthropods are ceolomate Nematodes lack true ceolem Annelida has notochord Tadigradai in many…
Q: Planktonic organisms are pelagic. True O False
A: Pelagic zone :- It is the part of the open sea or ocean that is not near the coast or sea floor.
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: Explain why latworms, molluscs, and annelids are classiied as lophotrochozoans.
A: Flatworms, mollusks, and annelids belong to different phyla but belong to the group lophotrochozoan.…
Q: sea star oral 3.The _________________ ___________________ is inverted and pushed into the shell of a…
A: Echinoderms are marine invertebrates that includes bilateral animals like star fish, sea urchins,…
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: What are pelagic urochordate
A: pelagic urochordates are animals, which can float and swim in open water. Tunicate, also known as…
Q: Cnideria
A: Answer is option E. Aside from sponges, all animal phyla have a digestive tract, or gut. Cnidaria…
Q: Distinguish between opisthobranchs and pulmonates.
A: Opisthobranchs and pulmonates both are soft bodied animals belongs to phylum Mollusca and class…
Q: The jacobson's organ is to organisms in _____________________ as the lateral line is to organisms in…
A: Jacobson's organ is an Olfactory organ which is present in squamates (scaled reptiles like snake,…
Q: The vast majority of Rhizarians feed using long threadlike structures known as: pseudopodia O collar…
A: The vast majority of the Rhizarians feed using long threadlike structures known as: Pseudopodia
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: Horseshoe crabs are in the subphylum О Нехароda O Crustacea Cheliceriformes O Myriapoda
A: We have diverse set of animals in this world . They are categoried I to different phylum, order…
Q: All acoelomate bilateral animals have protonephridia. O True O False
A: acoelomates are bilateral animal that does not exhibit a body cavity. They are very primitive in…
Q: lankton are pelagic organisms that are incapable of swimming against the cu True
A: TRUE
Q: Lancelets (Cephalochordates) feed on: O a Sea weeds (algae). O b. Bacteria and dead organic…
A: Lancelets or cephalochordates are a type of filter feeders.
Q: Annelids have (a): a. pseudocoelom. b. true coelom. c. no coelom. d. none of the above
A: Answer is b.) true coelom.
Q: This class has 1-2 pairs of walking legs O Chelicerata O Crustacea О Нехароda O Myriapoda
A: An arthropod is an invertebrate animal which has an exoskeleton, a segmented body and paired…
Q: The arthropod pericardium is a coelom. O True O False
A: Arthropod are invertebrate animals equipped with jointed appendages. In the year 1845 , Von Siebold…
Q: What are the three major body parts of the phylum Mollusca? Select one or more: □a Foot Ob. Radula…
A: Introduction The majority of marine phylum, or around 23% of all described marine species, are…
Q: Amphioxus is a cephalochordate true false
A: A cephalochordate is a group of animal in the in the phylum chordate. These animals possess dorsal…
Q: Feeding rosettes can be observed on the surface of the sediment and are formed by A. suspension…
A: E. Deposit feeding echinoids.
Q: Xenacoelomorpha is the basal taxon of Bilateria True False
A: True
Q: Ctenophores are carnivores. O True False
A: The animals are characterized by different attributes like presence of cilia, combs, pores, fins,…
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: Which is the only one example ofMollusca Phylum?A. Locust B. ButterflyC. Scorpion D. Octopus
A: Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as…
Q: Nereis, Pheretima (Earthworm) andHirudinaria (blood sucking leech) areexamples of which Phylum:A.…
A: Nereis is a genus of polychaete worms in the family Nereididae. It comprises many species, most of…
Q: Leuconoid organization in sponges is correlated with large body size small body size minimal surface…
A: Leuconoid is one of three body organization category of sponges. They are most complex and largest…
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: Taenia (Tapeworm), Fasciola (Liverfluke) are examples of which Phylum?A. Coelenterata…
A: Among the given options, option (B) is the most appropriate one. Both of the above-mentioned…
Q: Name the animal shown in this picture. O Nematoda O Mollusca OAnnelida O Cnidaria OPlatyhelminthes
A:
Q: All poriferans are filter (suspension) feeders. O True False
A: Poriferan such as sponges have unique feeding system where their feeding chamber is lined by collar…
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: Match feeding mode with appropriate taxa Cephalopoda v [ Choose ] suspension and deposit feeders…
A: Animals that feed on the food in sediments are called deposit feeders while those that consume…
Q: Match groups in the left column with all correct answers in the right column.
A: All of them come in a phylum- Echinodermata. There are 5 Classes of Phylum Echinodermata Crinoidea-…
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- Describe a potential advantage and disadvantage of the cuticle of ecdysozoans.A mantle and mantle cavity are present in _____. a. class Oligochaeta b. class Bivalvia c. class Polychaeta d. class HirudineaNereis, Pheretima (Earthworm) andHirudinaria (blood sucking leech) areexamples of which Phylum:A. Coelenterata B. AschelminthesC. Annelida D. Arthropoda
- "Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E. CubozoaSahelanthropus tchadensis Anatomical structures/characteristics that have remainedIn which of the following taxa would you find tidal ventilaiton of the respiratory medium? A) Hagfish B) Chodrichthyes C) Lampreys D) Aves E) Both A and D
- Taenia (Tapeworm), Fasciola (Liverfluke) are examples of which Phylum?A. Coelenterata B. PlatyhelminthesC. Annelida D. ArthropodaOrganisms from this group have such complex eyes that they can probably form images Sclerospongia Cubozoa Hydrozoa Scyphozoa PlacozoaThe term Ecdysozoa refers to....? Group of answer choices having a backbone having jointed legs filter-feeding molting
- Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum under Ecdysozoa: Kinorhyncha, Priapulida, Nematomorpha.There is a relationship between three of these fish taxonomy names. Choose the one that does not belong a. Dipnoidsb.Rhipidistians c.Euteleostei d.Which is the only one example ofMollusca Phylum?A. Locust B. ButterflyC. Scorpion D. Octopus