Which of the following classes includes the only type of echinoderm that has a calyx on a stalk? Echinoidea Holothuroidea Ophiuroidea Asteroidea Crinoidea

Q: Which of these models correctly identifies the most recent common ancestor diplobla Cnidaria…

A: Diploblastic animals such as jellyfish, sea anemones, and corals do not have a mesodermal germ…

Q: Flatworms have no coelom. Recent gene sequencing shows that their closest relatives are the rotifers…

A: Coelom is the fully functional body cavity that is lined by mesoderm. Within the coelomic cavity,…

Q: Lampreys Sharks Lungfish Amphibians Land vertebrates Tetrapoda Choanata Fingers and toes What is the…

A: The above diagram is called phylogenetic tree. Phylogenetic tree show the evolutionary relationship…

Q: Give the different classes of each phylum. 1. Phylum Cnidaria 2. Phylum Mollusca 3. Phylum…

A: Cnidaria  Radial symmetry, tissue level of organisation, acoelomate animals. Classification: On the…

Q: 40. A marine biologist asked you to look out for Echinodermata in an expedition. Which of these…

A: The first organism that is listed is a crab. It shows presence of jointed appendages and shows an…

Q: What structure differentiates Ectoprocts and Brachiopods from other Lophotrochozoa?

A: The animals are multicellular eukaryotes with heterotrophic nutrition. The unicellular are protozoa,…

Q: Develop a KEY to the CLASSES of Phylum ECHINODERMATA: Asteroidea, Ophiuroidea, Echinoidea,…

A: Asteroidea  It is most well known echnioderms, also called sea stars  They consist of thick arms…

Q: Please help to fill out this chart. A Comparison of Major Characteristics of Classes of Phylum…

A: Arthropods are a diverse and numerous category of invertebrates that includes horseshoe crabs,…

Q: Select all of the following that are characteristics of crustaceans. maxillary glands.…

A: The objective of the question is to identify the characteristics that are specific to crustaceans.…

Q: How do members of the phylum Chordata differ from other animal phyla? Explain in 10 sentences.

A: According to the Linnaeus system, scientists classify animals and plants based on physical features…

Q: The echinoderms lack many of the characteristics of later deuterostomes, such as pharynoeal sits and…

A: Deuterostomes possess a group of animals that have an anus before their mouth in embryonic stages.…

Q: The organ that functions to coat annelid worms with a mucus-derived cocoon is the uterus O clitellum…

A: Annelid worms These worms belong to the phylum Annelida. These are also called segmented worm, that…

Q: Which of the following animals is most closely related to hemichordates? Cow Earthworm Fish Crab Sea…

A: Hemichordates is the phylum that consist are worm-like invertebrates usually marine in nature.…

Q: Create a body plan table (Insert → Add Table) for the following animal phyla: Porifera, Cnidaria,…

A: Coelom can be defined as the principal body cavity that is present in most animals. It is located…

Q: Which of the following species described the shape of the animal? Saccoglossus kowalevskyi…

A: Introduction A species is usually defined because the largest group of organisms in which any two…

Q: Make a concept map about Subphylum Myriapoda and its classes (Chilopoda, Diplopoda, Pauropoda,…

A: Insects, spiders, crustaceans, and their relatives make up this huge phylum of invertebrate…

Q: Which of the following classes of animals possess an aristotle's lantern feeding structure that is…

A: Aristotle's lantern is a complex chewing apparatus found in some groups of echinoderms, particularly…

Q: elminthes Nematoda Mollusca Annelida Arthropoda Echino Mantle and muscular foot Segmented jointed…

A: Introduction :- Cladistics is one of the approaches to classify the organisms . In this , organisms…

Q: Table 1. Comparison of structure, function, and behavior of the five (5) major echinoderm classes.…

A: Echinoderms They share common ancestor with the hemichordates and chordates.  They are enterocoelus…

Q: The taxon Teleostomi is defined as the group which includes all the descendants of the common…

A: Phylogenetic tree represents the evolutionary relationship between the taxons present in the tree.

Q: A new group of echinoderms, the sea daisies, or concentricycloids, wasdiscovered in 1986. They are…

A: Marine organisms were the earliest form of life. The soonest organic entities have insignificant…

Q: In the following relationship tree, which of the organisms are most closely related?

A: Phylogenetic trees give us an idea about the relationship between different organisms. A…

Q: Examine Figure 3. Based on the number of taxa, which 2 vertebrate clades suffered the most…

A: An extinction event is rapid decrease in the biodiversity on Earth. Extinction is death of species…

Q: what phylum in animal kingdom is now reclassified as a family?

A: Biology, a phylum  is a level of classification or taxonomic rank below kingdom and above classes.…

Q: Pisces Osteichthyes (bony fishes) Sarcopterygi (lobe-inned fishes) tomata natha) Tetrapoda Amniota…

A: Lungfish are fresh rhipidistian fish happiness to the order Dipnoi. lungfish are best legendary for…

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: Check (/) the characters that satisfied in each phylum. While put an asterisk (*) on the character…

A: Group of cells that perform the similar function and have the same origin are called tissues.…

Q: Which statement best describes the symmetry of brachiopods compared to bivalves?     Both…

A: Brachiopods are organisms belonging to Phylum Brachiopoda and  bivalves belong to Phylum Mollusca,…

Q: Which of the following is not a characteristic of the phylum Chordata

A: The phylum Chordata is a group of animals that includes vertebrates (animals with backbones) as well…

Q: In the tree below, which taxon is most closely related to the Pseudergolinae?

A: The correct answer is option D. Cyrestinae. From the phylogenetic tree given here, we can say that…

Q: Echinodermata is the first phylum you have examined whose members possess true endoskeletons. What…

A: Echinodermata are called after their spiny skin, and so this phylum has over 7,000 recognized living…

Q: Why gorillas are 1)euteleostomi 2) sarcopterygii 3) didnotetrapodomorpha And reason for the chosen…

A: Introduction  Gorillas are large, herbivorous primates that belong to the family Hominidae, which…

Q: the tunicate and lancelet that we observed in lab belong to the phylum:

A: Tunicate These are commonly called sea squirts, are a group of marine animals that spend most of…

Q: Create the Taxonomic Key below using the following arthropods  Periplaneta americana  Triatoma sp…

A: The key includes a chain of choices, primarily based totally on discovered functions of the plant…

Q: Give the different classes of each phylum. Phylum Echinodermata,Phylum Arthropoda and Phylum…

A: Animal kingdom consists of multicellular, eukaryotic animals. These are animals are divided into…

Q: Collembolans Question 1 options:   are arachnids   are members of the Paleoptera   are…

A: Answer :- Collembolans are arachnids.   Explanation :-  Collembolans are the crude Apterygote…

Q: Which of the following structures are homologous in arthropods? 1st leg of horseshoe crab: 1st…

A: The arm of a human, the wing of a bird or a bat the leg of a dog and the flipper of a dolphin or…

Q: Which of the following taxa of fish shared most direct common ancestry with the group of animals…

A: The group of animals that evolved into terrestrial tetrapods (four-limbed vertebrates) had their…

Q: is the group of protochordates considered monophyletic? yes or no? explain

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

Q: Which of the following things is/are true about this organism? O Phylum Chordata O Agnathan Class…

A: Introduction The given image shows a Sea lamprey. The sea lamprey is a parasitic lamprey native to…

Q: Which of the following are the defining features of animals that belong to the phylum chordata?…

A: Kingdom Animalia has some specific characteristics like motility, multicellularity, the requirement…

Q: Pisces Osteichthyes (bony fishes) Sarcopterygii (lobe-finned fishes) mata atha) Tetrapoda Amniota…

A: Monophyletic taxonomic group is one that has Category of organisms descended from one ascendant ,…

Q: Which of the following most accurately reflects current understanding of phylogenetic relationships…

A: Phylogenetics is the branch of evolutionary biology that deals with the study of evolutionary…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.