All of the following are characteristics of annelids except     a coelom.     a complete digestive tract.     segmentation.     excretion via nephridia.     metamorphosis.

Q: Label the following regions and parts on the diagram: • Anterior end • Posterior end • Dorsal…

A: Dorsal fins are located on the back ( upper surface facing towards the sun) , there are two types of…

Q: Find a fish of the body types listed below. Not all fishes can be described by one of these terms.…

A: Answer : Adaptation is an important survival skill in all species. Adaptations are changes an…

Q: Which of the following is NOT present in all Annelids? O complete alimentary canal O coelom O…

A: The annelids, commonly known as ringed worms or segmented worms, are a vast phylum that includes…

Q: Segmentation in the earthworm is not exemplified bya. body rings.b. coelom divided by septae.c.…

A: Earthworm is a reddish brown terrestrial invertebrate that inhabits the upper layer of the moist…

Q: Which of these does not pertain to a protostome?a. spiral cleavageb. blastopore is associated with…

A: In the animal kingdom, after the fusion of male and female gamete, a diploid zygote is formed. This…

Q: The cirripedia are used for the purpose of grindng food particles prior to their entry to the…

A: It is an arthropod belonging to the infraclass Cirripedia of the subphylum Crustacea. It is related…

Q: Ray-finned fishes & Lobe-finned fishes

A: Ray-finned fish, are one of the two major clades of bony fish (Osteichthyes)  the lobe-finned fish,…

Q: Which species rests on the tips of two pelvic fins and elaborate tall fin as it sets on the…

A:

Q: 11. Complete the sentences: ___________ and __________ are examples of jawless fish, belonging to…

A: Jawless fish belong to the superclass Agnatha and consist of both extinct as well as present…

Q: Caecelians are unique from most lissamphibians in that _____. caecilians live mainly in colder…

A: The correct response to this particular question will be, caecilian embryos develop within the…

Q: n most cartilaginous and bony fishes Vision is very poor Prey is swallowed whole The fins contain…

A: Fishes are aquatic, craniate, gill-bearing animals that lack the limbs with the digits. They form a…

Q: Which anatomical and physiological characteristics are commonly found in terrestrial, but not…

A: When anuran's enter from aquatic environment to terrestrial environment several physiological and…

Q: Please choose all the correct statements regarding the Shark. One can differentiate male and female…

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

Q: Which of the following does NOT occur?

A: Animals which possess bilateral symmetry develop three germ layers I.e. are ectoderm, endoderm and…

Q: You find a polychaete in the lower Chesapeake Bay and discover that its coelom is unpartitioned. You…

A: Introduction Polychaeta, Often Known As Bristle Worms Or Polychaetes, Is A Paraphyletic Class Of…

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: Characteristics Tunicates Lancelets Hagfishes Lampreys Cranium Vertebrae Jaws Skeletal composition…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: Which of the following things is/are true about this organism? has a backbone amniotic egg…

A: The Arctic lamprey, also called as the Japanese river lamprey or Japanese lampern, is a fish that…

Q: What is the excretory/osmoregulatory organ of mollusks? a. Flame cells b. Malpighian tubules c.…

A: Mollusca is the second largest invertebrate phylum, after arthropoda. It contains about 1, 00, 000…

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: In the space provided, write the letter of the description that best matches each term. 1. segments…

A: Hello! Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Please choose all the correct statements regarding early chordates. Amphioxus has all four defining…

A: Amphioxus has all four defining chordate characteristics as an adult- This statement is Correct…

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

A: The Mollusca Phylum has over 160,000 species, 90,000 of which are still alive. Some shells were…

Q: The kidneys seen in the early embryonic development amniotes are similar to the kidneys of adult…

A: Amniotes represent a tetrapod clade that includes birds, mammals, reptiles, and birds. They retain…

Q: Which of the following things is/are true about this organism? invertebrate chordate fish Agnathan…

A: The Arctic lamprey is a little fish that can grow to be over 15 inches long but is usually much…

Q: List the characteristics of fishes.

A: The division gnathostomata is divided into two super class , Pisces and tetrapoda .

Q: Coelomates have an enclosed coelom completely lined with mesodermally derived tissue. Accelomates…

A: Triploblastic animals are animals with a body cavity and body plan, where their body cavities are…

Q: What is a body structure that is found in Bony fish but not in Cartilaginous fish?   Teeth Gills…

A: The animal kingdom is diverse constructing millions of species. Fishes are one group of vertebrates…

Q: Worms are present in the Platyhelminthes, Annelid and Nematode lineages. How is the coelom used to…

A: Coelom is the principal body cavity that located between gut wall and the body wall. Type of coelom…

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: invertebrate chordate. Which of the following would ensure that you are indeed looking at a…

A: A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from…

Q: Although tunicate larvae have a notochord, adult tunicates do not. The reason for this is; The…

A: Even though Tunicates come under the category of Chordates but they do not have notochord.

Q: Explain how bony fishes differ from sharks and rays in the following systems or features: skeleton,…

A: During the Devonian period, an ancient group called Chondrichthyes has emerged. It contains two…

Q: Of the following, which includes chordates that are NOT vertebrates? O Myxini Echinodermata…

A: Answer : Option A & D are correct :  Myxini & Urochordata

Q: Evolutionarily, the jaws of vertebrates developed from   the circular mouth of lampreys.   the…

A: The evolution of the jaw is one of the foremost noteworthy innovations in vertebrate history. A jaw…

Q: of the Crayfish vs. Grasshopper Anatomy, and Clam vs. Squid Anatomy Crayfish Grasshopper

A: Crayfish and grasshoppers both belong to the phylum Arthropoda but they belong to different classes…

Q: Annelids (include leeches, earthworms and polychaete worms/ use their coeloms as hydrostatic…

A: Annelida is a group of segmented worms. They have a long and segmented body. Annelids are…

Q: Which animal phyla have a complete digestive system? (a mouth and an anus) Annelida (segmented…

A: A complete digestive system consists of a digestive tract with two openings. One opening is the…

Q: In which of the following aspects are nematodes more complex than flatworms?    a. External…

A: Nematodes are also known as round worms. Flatworms belong to phylum platyhelminthes.

Q: The body plan of an annelid displays. meaning that the body is divided into a series of repeated…

A: The phylum Annelida is an invertebrate phylum. Annelids are triploblastic coelomates with bilateral…

Q: Nephridia are found in     jawless fishes.     lancelets.     annelids.     cephalopods.…

A: Nephridia is an excretory organ which is found in many of the invertebrates, it is just a tubular…

Q: Can have both a medusa stage and a polyp stage (both in water) 1. Echinodermata2. Platyhelminthes3.…

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

Q: Starfish Oral Side Describe the structures of the oral side of starfish. Such as peristome,…

A: Answer. Starfish or sea stars are star-shaped echinoderms that belong to the class Asteroidea. Most…

Q: List at least three features of squid that contribute to their sucess as predators.

A: Mollusca is a phylum that includes marine invertebrates. It is the second-largest phylum after…

Q: Although nematode worms and arthropods do not appear related, they, in fact, are. One similarity…

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata.…

A: Fusion of some segments or metameres leads to the formation of tagmata.Tagmata are present in the…

Q: Label accurately the parts of a Hydra ex. basal disk, tentacles, gastrovascular cavity and other…

A: Cnidarians are a group of diploblastic, radially symmetrical animals. They possess special sensory…

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…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.