Some evidence suggests that members of Acoelomorpha constitute the sister group for all other Bilateria. How do members of this group differ from typical protostomes?

Q: Why are porriferans asymetrical? Cnidarians radial? The rest bilateral? (based on evolution)

A: It is required to provide the reason for assymetrical nature of poriferans, radial symmetry of…

Q: What is the most unique or interested aspect about nematodes?

A: Here we describe the most unique or interested aspect of nematodes.

Q: For the phylum Gastrotricha please provide: - -- General biology. Approximately how large is the…

A: General Biology: The phylum Gastrotricha is a small and cosmopolitan group of microscopic animals.…

Q: Describe characteristics of phylum Platyhelminthes and its subgroups by discussing similarities and…

A: The phylum Platyhelminthes includes a variety of worm-like organisms that share some common…

Q: GIve the Morphological Features of the following: Sarcopterygii, Osteichthyes, Agnatha Lissamphibia…

A: SARCOPTERYGII it is a taxon of the bony fishes whose members are known as lobe-finned fishes. early…

Q: Find illustrations of the excretory and digestive system of Phylum Platyhelminthes, Phylum Annelida…

A: Organ systems are groups of organs that work together to perform a specific function or set of…

Q: Explain the interaction of cuticle, body-wall muscles, and pseudocoelomic fluid in locomotion of…

A: Most Nematodes move side to side or laterally by contraction of the longitudinal muscles because all…

Q: What characteristics distinguish hexapods from all other arthropods?

A: The six-legged arthropod that belongs to the sub-phylum Hexapoda is referred to as hexapods.…

Q: What characteristics do Hemichordata share with Echinodermata, and how do the two phyla differ?

A: Introduction  Hemichordate are referred to as Half chordates, they are marine deuterostomes animals.…

Q: Describe the differences between protonephridia and metanephridia. Give an example of any animal…

A: Photonephridia Metanephridia Ciliated or flagellated cells called flame cells are used in…

Q: What are some adaptive advantages of a pseudocoel compared to the acoelomate condition?

A: In animals the body cavity (coelom) is the area or free space that contains all the organs suspended…

Q: What morphological evidence suggests that nemerteans are typical coelomates?

A: Phylum Nemertea commonly called ribbon worms are bilaterally symmetrical, unsegmented organism that…

Q: Echinodermata is the first phylum you have examined whose members possess true endoskeletons. What…

A: Echinodermata are called after their spiny skin, and so this phylum has over 7,000 recognized living…

Q: Describe the process of respiration of Nile Tilapia and Acoelomate flatworms,

A: the process of respiration of Nile Tilapia and Acoelomate flatworms,are

Q: Describe the differences in the coelomic systems between Oligochaetes and Polychaetes. How do the…

A: differences in the coelomic systems between Oligochaetes and Polychaetes Polychaetesare a subclass…

Q: How can the presence, localization and function of muscular tissue in beings of the phylum Annelida…

A: Annelids are cylindrical worms with segmented bodies (they are metameric). The main evolutionary…

Q: Explain how the high pseudocoelomic pressure affects feeding and defecation in nematodes.

A: The pseudocoelom is a fluid-filled body cavity that is situated inside the external body wall of the…

Q: The evolutionary ancestry of acanthocephalans is particularly obscure. Describe some characters of…

A: Acanthocephalans are also called spiny headed worms.

Q: Identify and describe the features of Rotifera and Acanthocephala that make them distinct from one…

A: Rotifera 1.  Body consists of four different regions - head, neck, trunk, foot. 2. Head has a…

Q: What appendages characterize chelicerates?

A: Consisting around 9 lakh species, Arthropoda is the biggest phylum in anima kingdom. Common examples…

Q: What are general characters in Rhizopodia?

A: As per the system of classification, living organisms can be classified into 5 broad kingdoms-…

Q: What are the morphological similarities and differences between nematodes and annelids?

A: Nematodes are referred as roundworms and constitute phylum Nematoda. They are multicellular…

Q: State the similarities and differences between phylum Annelida, Nematoda and Platyhelmintes.

A: These are the worms which blongs to phylum annelida. These are long, thing creatures without legs.

Q: Considering the presence of segmentation (metameres) in their body to which other already studied…

A: Arthropod are the invertebrate organisms and have segmented body, exoskeleton, and jointed paired…

Q: Xenacoelomorpha are characterized by all of the following except: hermaphroditism acoelomate body…

A: Introduction: Xenacoelomorpha is a minor phylum of invertebrates that includes two sister groups:…

Q: What larval type do Anthozoans have and what phylum are they in?

A: Anthozoans are marine invertebrates which comprises of: Sea anemones Stony corals Soft corals