How do the presence/loss, form, and function of the radula differ within members of the Classes Bivalvia, Polyplacophora, and Cephalopoda (using the squid as a representative)? B) How does this relate to the animals’ natural histories?

Q: three examples of species of cnidarians

A: Cnidarians are distinguished from all other animals by having cnidocytes that fire harpoon like…

Q: While all members of the phyla we’re considering this week are in the bilateria (have bilateral…

A: This question pertains to the phyla that were studied during a certain unit and how they differ…

Q: fishing net brings up a soft bodied animal with a coiled external shell. How can you determine…

A: Cephalopods are only found in the ocean, whereas gastropods are mostly found on land, with a few…

Q: Only eight species of lobe-finned fishes are alive today, remnants of a group that flourished in the…

A: The Devonian Period occurred from 416 million to 358 million years ago. It was the fourth period of…

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

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

Q: Which of the following are tetrapods? Group of answer choices A, B, C, and D B, C, D, and E D)…

A: Taxonomy identifies and classifies the organism to their group. Phylogenetic data can be helpful for…

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: The following nematode features are absent in nematomorphs, EXCEPT…    A) … a ventral nerve cord. B)…

A: Introduction  Roundworms are organisms that belong to the phylum Nematoda. Nematodes in the soil eat…

Q: During a survey you spot a soft bodied animal enclosed in a two-piece shell. How can you determine…

A: Humans rely heavily on the marine environment and its inhabitants. We rely on the environment that…

Q: Which of the following worms deposit their eggs in the perianal folds? a)tapeworms b)liver fluke…

A: These are all human parasitic nematodes or trematodes.

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: Which of the following is the correct classification for the following invertebrate animal: This…

A: R.H. Whitaker’s classification system divided organisms into five major groups, called Kingdoms.…

Q: Is the presence of myomeres a symplesiomorphic or synapomorphic feature of vertebrates compared to…

A: Gastrulation happens in the third week of human development. Gastrulation is one of the most…

Q: With respect to nematode reproduction and reproductive structures, which of the following statements…

A: Nematodes are roundworms belonging to the phylum Nematoda and part of the Kingdom Animalia. they are…

Q: What is the type of digestive system present in beings of the phylum Arthropoda? Are these animals…

A: The phylum Arthropoda is composed of animals with jointed appendages or legs. It is a phylum of…

Q: Briefly describe: A. cnidarian adaptations that illustrate their major evolutionary advancements…

A: Cnidarians which include jellyfish sea anemones, and corals have evolved several adaptations that…

Q: What would be the best anatomical feature to look for to distinguish a gastropod from a chiton?…

A: The foot of gastropod and Chiton is a flat structure used for crawling, locomotion and adhesion.…

Q: For phylum Mollusca, Class Cephalopod  1. Characteristics. List whether the organism is: a.…

A: Disclaimer: " As per the authoring guidelines of Bartleby, only first question is to be answered.…

Q: A previously unknown animal is being studied so that it can be classified.  It is an invertebrate,…

A: The objective of the question is to classify an unknown animal based on its characteristics. The…

Q: Which of the following is NOT unique to Phylum Mollusca (Radula/chromatophores/coelom/mantle)?

A: Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. They include…

Q: Compare its general structures to Ascaris, Trichinella, and Enterobius. What structures are…

A: Cephalobus is a bacteriovorus soil nematode. It is a very sluggish organism. Body tapering slightly…

Q: For Phylum Mollusca, Class Cephalopod 1. Organ/system characteristics. Answer the following for each…

A: Mollusca is a phylum of invertebrate animals with over 100,000 species. They have soft, unsegmented…

Q: The gastrovascular cavity of cnidarians has two openings, one serves as mouth and the other serves…

A: Cnidaria is a phylum which is under kingdom Animalia that contains over 11,000 species of aquatic…

Q: For each of the following classes of Arthropods, identify a feature unique to the class and at least…

A: Arthropods have invertebrate animal having an exoskeleton, a segmented body, and paired jointed…

Q: How does the Hymenoptera class compare to other classes in the phylum Arthropoda? Include the…

A: Arthropoda is the largest phylum of the kingdom Animalia.They have organ system level of…

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.