Leeches are members of the phylum _ in the clade of bilaterally symmetric animals called _ (Nematoda; ecdysozoa/platyhelminthes;Deuterostomia/Cnidaria;lophotrochozoan/annelida;lophotrochozoa)?

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: 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: 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: Which of the following statements is true? --Sea stars are dioecious possess dermal branchiae and…

A: Sea stars are dioecious possess dermal branchiae and they have two stomachs.True: Sea stars are…

Q: Which of the following is a synapomorphy of the Anthozoa? Exoskeletons of calcium carbonate O Corals…

A: Cnidaria is a diverse collection of creatures that live primarily in the sea. Because they rely on…

Q: 1-true tissues or not- who does not have? 2- radiate/bilateria- who for sure is in radiate? 3-…

A: Kingdom Animalia / metazoa The kingdom Animalia is classified into Two Sub Kingdoms , they are -…

Q: List examples of each of the 15 phyla

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: The Chondrichthyans include the (mark all that apply) O skates ray-finned fishes O hagfish and the…

A: Class chondrichthyes are a group of vertebrates with jaws and comprises of approximately 600 living…

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: Out of all of these, which contains hox genes? Choanoflagellata Porifera Cnidaria…

A: Homeotic genes are a set of nucleotide sequences (genes), which govern the development of anatomical…

Q: Patrick the starfish and his friend Susie the sand dollar are both members of the

A: Patric the starfish and Suie the sand dollar are anime characters from the animated series SpongeBob…

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

A: Cnidaria is a Phylum of the Animal Kingdom. It has 4 classes namely:  Hydrozoa  - eg Capitata…

Q: Which phylum do you belong to? 1. Echinodermata 2. Platyhelminthes 3. Annelida 4. Porifera

A: Linnaeus introduced system of taxonomy which depends on seven levels of classification grouped…

Q: Closest to Chordata 1. Echinodermata 2. Platyhelminthes 3. Annelida 4. Porifera 5. Chordata 6.…

A: The animals of the phylum Chordata possess a notochord, a dorsal nerve cord, an endostyle,…

Q: First with body segmentation 1. Echinodermata2. Platyhelminthes3. Annelida4. Porifera5.…

A: The kingdom Animalia is classified into vertebrates and invertebrates. Some of the invertebrate…

Q: Annelida (Segmented round worms) How do these worms differ from the other two? What are the…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. If you need help with other sub…

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 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: 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: Porifera Cnidaria Chordata DO Ctenophora Ecdysis Protostome body plan Loss of coelom Bilateral…

A: A phylogenetic tree is a branching diagram or tree that depicts the relationships that have…

Q: Oligochaetes have     well-developed heads     chaetae for locomotion     lungs for…

A: Oligochaetae is a subclass of animals in the phylum Annelida, which is made up of many types of…

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: 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: Which of the following lack setae:(can be more than 1 nemerteans leeches earthworms polychaetes

A: Setae are frequently employed by insects as a high-surface-area substrate over which a pheromone is…

Q: The class of annelid worms which differs from all other classes of annelid worms in that it lacks an…

A: Phylum name: Annelida, commonly known as segmented worm, is a phylum of invertebrates that includes…

Q: Which phylum is characterized by a "tube within a tube" structure? O Echinodermata Mollusca…

A: Tube within a tube phenomenon is referred to only one opening for ingestion and one opening for…

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 conclusions is supported by the diagram and the data table?  Number of cell…

A: The animal kingdom is the largest kingdom amongst the five kingdoms consisting of all animals.…

Q: What animal is this? nemertean polychaete tardigrade arrow worm phoronid

A: Tardigrade : They are also known as water bears. They are 8 legged microorganisms. They are known to…

Q: Aquatic molluscs have a blood vascular system & metanephridia so they must also possess an…

A: Introduction  Any Molecule That Improves The Oxygen Carrying Capacity Of Blood Is Referred To As A…

Q: Which phylum is characterized by a hard, flexible exoskeleton and multiple life cycles?

A: Ans. Animals from the biological Animalia kingdom, are multicellular eukaryotic organisms. Animals…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.