A zoologist is investigating an unidentified marine animal specimen. They note that this creature has radial symmetry along its short axis, but has bilateral symmetry in a perpendicular axial plane. In addition, its peripheral surface appears to have several lines of cilia used for movement in the water. Which phylum is most likely to contain this specimen? Group of answer choices A. Annelida B. Mollusca C. Cnidaria D. Ctenophora

Q: Which class of Cnidarian is described below: This class includes the corals and the sea anemones.…

A: Cnidarians are diploblastic and have organized tissues. These organisms undergo extracellular…

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: Choose the correct and give reasons for the same:  Sycon (Scypha), Spongilla (Freshwater sponge) and…

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A: c.Blattodea.

Q: JM. Cavanihac A 0.1 mm

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Q: fishing net brings up a soft bodied animal with a coiled external shell. How can you determine…

A: Cephalopods are only found in the ocean, whereas gastropods are mostly found on land, with a few…

Q: Feeding rosettes can be observed on the surface of the sediment and are formed by Group of answer…

A: It is a multiple choice question.

Q: Meromenia Tonicella Antalis chambered heart spatulate foot Xpreoral tentacles Pectinella bivalve…

A: To show the relationship between two species, a cladogram is used. Cladogram looks like a tree and…

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: Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata…

A: Chordate can be defined as the animal that will belong to the phylum Chordata. There is some period…

Q: Which of the following results from sexual reproduction in sponges? a. Parenchymula  b. Gemmule…

A: Reproduction in sponges takes place in two ways- Asexual reproduction - with the help of buds,…

Q: We were shown this specimen in an invertebrate zoology class. What is it? The professor told us…

A: It sure does comes under mollusks but I believe that this is not a Bivalve but a Chaetoderm, which…

Q: If chaetognaths belong to Lophotrochozoa, they would be more closely related to animals like…

A: Chaetognaths are phylum of the predatory marine worms.

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: Corals belong to which of the following? a. comb jellies b. rotifers c. sponges d. None of these are…

A: Kingdom Animalia contains all animals. It is the largest kingdom of Animalia as compared to other…

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: If you Ingest excessive amounts of saltwater, you would eventually experience dehydration and die.…

A: Osmosis is a phenomenon that involves the maintenance of the equilibrium in the tonicity of two…

Q: part i How many of the following are characteristics of arthropods? 1. protostome development…

A: Characteristics of arthropods (Correct options): Option 2: Arthropods are bilaterally symmetrical.…

Q: Choose which is FALSE among the following statements about the Phylum Annelida. A. Annelids have…

A: A. False.  B. True C. True D. False E.True.

Q: One example of Cephalopoda is

A: Cephalopoda is a class of Phylum Mollusca which is a small group of advanced and organized marine…

Q: Which features are true of sea cucumbers? A. use the water vascular system to move on the seafloor…

A: Please follow step 2 for detailed explanation.

Q: A ciliated feeding structure in the larval stage is a characteristic of aa. trochozoan.b.…

A: The systematic classification of animals is necessary for the purposes of identification and…

Q: During a survey you spot a soft bodied animal enclosed in a two-piece shell. How can you determine…

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Q: Answer the following questions briefly but concise: 1. Justify the statement " Members of the Class…

A: Note: Upload 2nd question separately, here i have given answer of 1st question. Answer: 1.…

Q: Unifying features include shell, mantle, radula, foot, visceral mass Which classes show a loss of…

A: Mollusca is the  second largest phylum of the invertebrate animals.  Answer;1    The mollusk (or…

Q: Which

A: The slime mould and multicellular algae are included in kingdom protista because :  a)They lack…

Q: Select 2 types of mesozoans and describe the following: class characteristics developments

A: Mesozoa is worm-like parasites that live on marine invertebrates. In the majority of these tiny,…

Q: trophozoites best fit the following descriptions ? • Motility: Sluggish , usually nonprogressive…

A: * Entamoeba coli is a non pathogenic species belongs to entamoeba genus that inhabitats the…

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: In the different lineages of molluscs, it is easy to understand the variations from the basic…

A: The ability of this class of molluscs to adapt to all marine environments is shown by the diversity…

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: Which protist group exhibits mitochondrial remnants with reduced functionality? a. slime molds b.…

A: The living organisms are classified majorly into 5 diverse kingdoms. The prokaryotic organisms are…

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: Class Bivalvia which is known as pelecypods can be found in marine and freshwater habitats. By…

A: ''Answer: The second-largest phylum of invertebrates is Mollusca and Bivalvia is one of the classes…

Q: Animals with calcium-based shells are found in the phylum... Group of answer choices Nematoda…

A: 5 kingdom classifications is a type of classification in which living organisms are classified into…

Q: Imagine you come across a gelatinous animal with a Medusa body plan. Determine whether it is a class…

A: Apart from mammals or vertebrates, invertebrates cover a major portion of the animal world.

Q: Select all statements that are true about the Kingdom Animalia I. Animals are multicellular and…

A: Given:  Statements that are true about the Kingdom Animalia.

Q: One example of Cephalopoda is Select one: a. squids b. snails C. slugs O d. clams

A: Cephalopoda is a class of Phylum Mollusca which is a small group of advanced and organized marine…

Q: Compare the memebers of the Class Solenogastres to the generalized Molluscan body form.

A: NOTE:- As you have posted two questions under one, we will solve the first part/question for you, to…

Animal Phylogeny

Cladistics is a method of biological classification where organisms are classified based on their ancestors and their relationship with them. It is defined as the concepts and methods for determining the branching patterns of evolution and evolutionary history. Some scientists, however, have preferred the term phylogenetic systematics or phylogenetic taxonomy to emphasize the reliance on a phylogeny for classification. It is the most common and accepted method for classifying organisms.