The tapeworms (cercomeromorpha) are not considered to be segmented animals because;

Q: Although they are related, the digestive system of an earthworm and Ascaris are very different. Why…

A: Ascaris is a roundworm that belongs to the phylum Nematoda. It is a thin, unsegmented, parasitic…

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: Define roundworms with examples?

A: Parasitism refers to the type of relationship where one species is parasite and the other species is…

Q: How are insects distinguished from other hexapods?

A: Arthropods are the invertebrates that form one of the largest groups of phylum in the animal…

Q: Nematodes are acoelomate animals (True/False)

A: Acoelomate animals are those animals which have no coelom or body wall present in them. Thus a…

Q: What physical feature is found on most free-living insects, including free living lice, that is…

A: Introduction: Insects can range in size from large—like the 130 mm bush giant dragonfly—to…

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: Which of the following has indeterminate development?     Echinodermata     Nematoda…

A: This is the growth that is not terminated once a genetically pre determined structure has completely…

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: Sponges are Radially symmetrical Bilaterally symmetrical Asymmetrical Dorso- ventrally…

A: The animals can be classified into three distinct classes depending on their body symmetry:…

Q: Flatworms (platyhelminthes) possess a a. metanephridial system  b. protonephridial system c.…

A: Platyhelminthes are flatworms having many classes of triploblastic and are acoelomate flatworms that…

Q: which phylum of animals includes the parasitic tapeworm?

A: A phylum is a taxonomic group. It is a level higher than classes in taxonomic categories. This…

Q: Arthropods usually have a distinct head. How would you define a “head”? What are the advantages and…

A: Arthropods are the large invertebrate group. Insects, millipedes, shrimps, centipedes, and, crabs…

Q: Name the subphyla of arthropods, and give a few examples of each.

A: ARTHROPODA is the largest phylum in the animal kingdom, which includes lobsters, crabs, spiders,…

Q: Earthworms are segmented animals. All of the following are present on/in most segments of an…

A: Origin The origin of earthworms was said to be on earth around 200 million ago. Their ancestors were…

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: 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: What type of flatworm is generally non-parasitic (i.e., free-living)?     Turbellarians…

A: Flatworms or platyhelminthes have four classes; Turbellaria Trematoda Monogenea Cestoda

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: Flatworms show bilateral symmetry and some cephalization.   True   False   Some parasitic…

A: Carl Linneaus form animal kingdom along with other 4 kingdom. Under animal kingdom, animals are…

Q: 11) Turbellarians are free-living worms in Phylum Platyhelminthes. They have a thin, very flat body…

A: Turbellarians are mostly free-living but some are ectocommensals or endocommensals or parasites.…

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: The earthworms are different than the leaches in that the earthworms move by; Using chetae to anchor…

A: According to the question, we have to explain the reason the earthworms are different than the…

Q: animals in which of the following classes possess adductor muscles, labial palps, and use their…

A: All these classes that is bivalvia, cephalopoda,  polyplacopora and gastropoda are all the classes…

Q: Which of the following worms exhibits the greatest amount of cephalization? Turbellarians Flukes…

A: Platyhelminthes is a phyum of Animalia .The members of platyhelminthes are  also known as the…

Q: Order these groups in order of diversity : Phylum Porifera Phylum Cnidaria   Phylum Platyhelmenthes…

A: To order these phyla in terms of biological diversity, we'll consider the number of species, variety…

Q: Identify the phylum/class of invertebrate that matches this description: These animals lack a…

A: Helminths are worm-like parasites that live by feeding on the living host. They gain protection and…

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.