The lophophore is Aa common developmental stage of the Lophotrocozoa. Ba synapomorphy of the Lophotrocozoa. a deuterostome. D More than one of these. E a ciliated feeding structure.

Q: Four of the five features listed below are characteristic of cnidarians. Select the exception. a.…

A: Cnidarians is a phylum of Kingdom Animalia. In this phylum, aquatic animals are present which lives…

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: DEUTEROSTOMIA Chordata Chordata V [Choose ] Endostyle Anus forms at or near the site of the…

A: Blastopore :-  It is a pit in the side of the embryo, through which cells destined to be endodermal…

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: Which of the following are characteristic of the nematode roundworm, Ascaris? (Select all the apply)…

A: Ascaris are worms classified as nematodes.

Q: Which of the following is NOT true of nemerteans? O proboscis stylet (some species) O coelomate…

A: The nemerteans are also called ribbon worms. They are characterized by the presence of proboscis and…

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: Tardigrada Onychophora Chelicerata Myriapoda Pancrustaceal Refer to the Morphological Phylogeny…

A: Onychophora is a group of soft bodies animals commonly known as velvet worms. Over 200 species of…

Q: 1. Differentiate the following protozoans by completing the table below. MEANS OF FUNCTION GENERAL…

A: Protozoa include a wide range of organisms most of which are free-living single-celled eukaryotes.…

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: Which of these organisms is NOT in the clade Lophotrochozoa? Cephalopoda Gastropoda Bivalvia…

A: Lophotrochozoa is a clade of protostome animals with an early form of a mouth. It includes the…

Q: Use the cnidarian life cycle diagram in Figure 33.8 to determine the ploidy of a feeding polyp and…

A: Ploidy refers to number of copies of an autosome present in a cell of an organism. If single copy of…

Q: v [ Choose ] Tunicata Trematoda Cestoda siphons, tadpole larva (some species) Cephalochordata…

A: Answer. Cestoda and Trematoda are classes that belong to the phylum Platyhelminthes. Examples…

Q: Medusozoa A taxon consisting of Anthozoa and Scypho O paraphyletic O None of the other choices is…

A: The phylogenetic tree construction and phylogenetic tree study helps us identifying the…

Q: Give the order for the life cycle of the hydrozoan, Obelia, starting with the polyp form.…

A: Obelia is a marine and freshwater animal species belongs to the genus hydrozoans. It is also called…

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: 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: Placozoans are structurally simple. They have no mouth, gut, or nervous system and only a few…

A: Placozoans are free living marine multicellular organism with simplest structure.

Q: Distinguish the following from each other: statocyst and rhopalium; scyphomedusae and hydromedusae;…

A: The Cnidarians belongs to the phylum of simple animals. It includes jellyfish, hydras, corals, and…

Q: Give examples of other medically important protozoans. State the reason/s why they are medically…

A: Protozoa is an informal word for a collection of single-celled eukaryotes that feed on organic…

Q: Which of the following is true about polychate worms (Feed using nematocysts/ part of the ecdysozoa/…

A: All animals are classified according to their presence of characteristics such as characters,…

Q: Both poriferans and placozoans lack epithelial tissue connective tissue muscles nerves

A: Porifera are most primitive sessile metazoans. They are diploblastic multicellular organisms whose…

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: ameobas are one of the most unique protozoans in term of characteristics. Describe their…

A: Ameoboid protozoans ( Sarcodina) Characteristics Can be uninucleate or multinucleate Can be found…

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: 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: What unifies the hexapoda? Be able to recognize a few of these classes by sight, and be able to…

A: Hexapods are distinguished by the decrease to six in walking annexes, with a merger of three bodies…

Q: Members of the Molluscan class Polyplacophora differ from ALL other classes of Mollusks in that…

A: Molluscs are soft bodied , bilaterally symmetrical,  segmented, celomate animals, usually shelled…

Q: Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum…

A: Ecdysis is the process of shedding of skin. Ecdysozoa is a super phylum arthropoda, nematoda and…

Q: Which of the following is/are true of Nemertea partitioned coelom. eversible proboscis Orhynchocoel…

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

Q: characteristics

A: Ecdysozoa  is a group of protostome animals. It includes arthropoda, nematoda and…

Q: General characteristics of protozoans Internal and external structures Feeding…

A: Protozoa are unicellular organisms. They range in size or shape from an amoeba, which could also…

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 lineages forms it's protective structures from silica dioxide and is…

A: Diatoms belong to the group of chrysophytes and they are present in fresh as well as marine water.…

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: 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: Sea urchins have radial symmetry. Explain why they are not classified as Radiata along with the…

A: Introduction  There is alot of animal diversity present on earth. There are many simpler forms…

Q: Three major phylogenetic groups of Bilateria are currently recognized: Ecdysozoa, Lophotrochozoa,…

A: Since the drastic reorganisation of the phylogeny of the animal kingdom into three major clades of…

Q: E) SUPERGROUP UNIKONTA-importance of this group to other kingdoms? Characteristics? Group…

A: Supergroup unikonta consists of diverse group of eukaryotes (protists ,animals and fungi). The…

Q: Name the animal shown in this picture. O Nematoda O Mollusca OAnnelida O Cnidaria OPlatyhelminthes

A:

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 the animal group with its body plan

A: All the living organisms are classified on the basis of various physical and internal features. The…

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-…

Q: Crustacea manage to swim backward by means of their (choose two) telson uropods siphon gill bailers…

A: Answer : telson and uropods are correct. - telson forms the part of tail fan in crustaceans. When it…

Q: Alternation of genwration in coelentrate

A: since this is question has multiple parts. I am attempting the 1st part, kindly post other question…

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

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

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.