A unique feature of the gastropods is that they undergo the process of embryonic torsion. This process results in; The spiral shaped shell that gastropods have The gastropod develops retractable antennae the anus being positioned near the head The gastropod foot becomes elongated and pliable

Q: What arthropod characteristics are likely to have contributed to their success on land? Choose all…

A: The arthropods are eukaryotic animals belonging to the kingdom Animalia and phylum Arthropoda.…

Q: All acoelomate bilateral animals have protonephridia. Group of answer choices True False

A: ▪︎Acoelomates are the organisms which do not possess a body cavity.They are triploblastic, their…

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: How is the development of a hookworm larva different from the development of a pinworm larva

A: Larva is a stage during the development of animals. It occurs after the birth and before the reach…

Q: If a snail had a damaged radula, then that snail; would have no shell Not be able to undergo torsion…

A: Snails are one of the earliest known types of animals in the world. There is evidence that they…

Q: Why do we have to use special techniques for the recovery of pinworm eggs? Explain

A: Introduction : Pinworms are typically located in the anus or the proximity of the anus, where they…

Q: Monotremes all have what unifying feature? Arthropod-like pincers Placenta Ventral pouch Ability to…

A: Mammals belonging to the order Monotremata are known as monotremes. The Monotremata are the oldest…

Q: The Insecta includes Chelicerata | Crustacea Collembola Curculionidae

A: Insects are hexapod invertebrates and the members of the is largest of phylum Arthropoda. Insects…

Q: The shells of molluscs have 3 layers. Which is not one (nacreous/mantle/periostracum)?

A: All animals are classified according to their presence of characteristics such as characters,…

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: Create a concept map or illustrated drawing for each phylum Ccnidaria, Rotifera, and mollusca) that…

A: With over 11,000 species of aquatic organisms found in both freshwater and marine habitats,…

Q: Grylloblattodea is Paleoptera undergoes a pupal stage lives in high altitude or ice caves is the…

A: Introduction :- Grylloblattodea is an insect belongs to an order polyneoptera which is closely…

Q: Which of the following is NOT true about nematocysts? O They are structures housed in special cells…

A: Classification is the process of systematically arranging the entries in different levels on the…

Q: How is the body of gastropods divided?

A: Molluscs are both terrestrial and aquatic organisms that have an organ-system level of organization.…

Q: Nematocysts in cnidarians are O reproductive cells O excretory organs sets of muscle cells O…

A: Cnidarians are a group of invertebrate animals that include jellyfish, sea anemones, corals, and…

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: Which is an outcome associated with torsion but not with coiling? (mark all that apply) potential…

A: We will answer the first question since the exact one was not specified. Please submit a new…

Q: The male copulatory organ of turbellarians is called a

A: Turbellarians belong to phylum Platyhelminthes.Temnocephala lamothei ,Dugesia aenigma,Dugesia…

Q: In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system…

A: INTRODUCTION Flatworms These are acoelomic unsegmented worm having bilateral symmetry, and three…

Q: Cnidarians development will continue to include the stage. --- Gastrula Zygote Blastula Gamete

A: Cnidarians are also commonly known as coelenterates. They are a phylum under Kingdom Animalia that…

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: The dauer stage of worm development occurs:   1) when there is ample food   2) when there is…

A: Worms are the organisms of the animal kingdom that lack eyes and limbs. they have a cylindrical…

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…

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.