What is clasper in scoliodon?

Q: How does the head of Dugesia move differently from the tail?

A: Dugesia (also known as planaria) is a genus of dugesiid triclads containing the common…

Q: Give a short note on Scoliodon?

A: Class Chondricthyes includes the cartilaginous fishes. The fishes bear endoskeleton made up of…

Q: What is antheridial branch in funaria called?

A: Mosses belong to the kingdom Plantae and the associated division is Bryophyta. These flowerless…

Q: How does the formation of strobili in Equisetum compare with that in Lycopodium and Selaginella?

A: A strobilus is a reproductive organ. It is characterized by a central axis surrounded by spirally…

Q: How does Zygote usually differ from Zoospore in terms of ploidy?

A: Ploidy: It means the total number of chromosomes present in cells. If the number of chromosomes sets…

Q: Are nematodes diploblastic or triploblastic animals?

A: Nematodes or roundworms constitute the phylum Nematoda or Nematohelminthes. They may occur as…

Q: Draw the structure of scoliodon and pristis?

A: The Scoliodon (dogfish) and the Pristis (sawfish) are the cartilaginous fishes that belong to the…

Q: What is the phylum of scoliodon?

A: Introduction  Scoliodons are commonly called as Shark or Dogfish. They come under kingdom animalia.…

Q: Explain in detail the external characters of Scoliodon?

A: Class Chondricthyes includes the cartilaginous fishes. The fishes bear endoskeleton made up of…

Q: What are the features of trabeculae?

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: What invertebrate groups exhibit hydrostatic skeletons? What is the importance of the hydrostatic…

A: Invertebrates are those which do not have vertebral column.

Q: What are Trochozoans ? Explain what do they play ?

A: The Trochozoa are a proposed Lophotrochozoa clade that is sister of Polyzoa. The trochozoans clade…

Q: Which cells give tentacles of Gonionemus their rough surface?

A: Phylum Cnidaria of the animal kingdom includes radially symmetrical organisms with two primary germ…

Q: Discuss the adaptions of Scoliodon?

A: Scoliodon is commonly known as Spiny Dogfish. It is a marine animal which has acquired many…

Q: What type of scale is found in Scoliodon?

A: Scoliodon is a marine shark , also known as Dog fish due to it's dog like protruded snout . Phylum…

Q: How do chaetognaths feed?

A: The word chaetognaths are derived from the Greek word chaite, long flowering hair, + gnathos, jaws.…

Q: What is the function of bud scales?

A: Vegetative reproduction (otherwise called vegetative proliferation, vegetative increase or cloning)…

Q: What are the classes into which the phylum Echinodermata is divided?

A: Echinoderms are the marine organisms that belong to the kingdom Animalia. They are triploblastic…

Q: How does an entoproct differ from an ectoproct?

A: In crustaceans like crayfish, a sac like organ called statocysts occurs that opens to the surface by…

Q: How do the gills of Labea and Scoliodon differ?

A: The genus Labeo includes oily fishes that inhabit the freshwaters. They are classified under the…

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: How does reproduction occur within the archaeplastids?

A: Archaeplastida is red algae, green algae, land plants, and small groups of glaucophytes and is a…

Q: Explain the locomotion of Scoliodon?

A: Scoliodon may be a genus of shark belongs to Carcharhinidae family (Chordates). Researchershave…

Q: What are the characterstics of chordata?

A: A chordate is a phylum which contains vertebrates like mammals, birds and some fishes and also…

Q: Give an account of hemipenis?

A: A tetrapod vertebrate with scaly skin is called as reptile. For example: snakes, lizards , crocodile…

Q: Describe the body wall of Scoliodon?

A: The variety Scoliodon is recognized from different dogfishes by having a lengthened nose,…

Q: What are the two main subdivisions of the phylum Chordata?

A: Phylum chordata consists of animals that have a characteristic NOTOCHORD.  they are coelomates with…

Q: What is labelled diagram of Strongylus edentatus?

A: Answer: Introduction: Strongylus edentates. It is parasite in the phylum nematode eukaryotic…

Q: What are the external characters of Rana?

A: Rana is a genus of anurous batrachians, including the common frog known as the Holarctic true frogs,…

Q: Which type of tail is present in Scoliodon?

A: Fishes are gill-bearing aquatic vertebrate animals. The earliest organisms that can be first…

Q: What are the external characters of Labeo?

A: Labeo belongs to phylum chordata and sub-phylum vertebrata. It belongs to class teleostomi. Its…

Q: Give the economic importance of Hemidactylus?

A: Hemidactylus is a genus that includes different types of geckos. It contains about 168 species of…

Q: What is  Amphidiploid?

A: The ploidy of an organism refers to the number of sets of chromosomes present in a cell that also…

Q: How many chambers does a scoliodon have?

A: The class Elasmobranchii consists of a large variety of cartilaginous fishes. Scoliodon is known as…

Q: What is the cleavage pattern (radial or spiral) for the phylum Echinodermata?

A: Echinoderms (scientific name Echinodermata) are a large group of sea animals only. The name for…

Q: Why scoliodon is known as dogfish?

A: The superclass-Pisces includes true fishes. It is the first true jawed vertebrate group. It is…

Q: Describe the structure of a clasper?

A: Claspers are anatomical structure that are present in male species of some groups of animals. It is…

Q: Where are the spines/spinelets of Blue sea star located ?

A: Blue sea star belongs to the Ophidiasteridae family.

Q: How is the ctenidium modified from the ancestral form in a typical bivalve?

A: Ctenidium is a comb-like structure with an axis consisting of rows of projecting filaments. It is a…

Q: What are the adaptations of Rana?

A: Rana is the genus name of the common pond frogs. Rana temporaria is one of the most common species…

Q: What are the stages in Schistosoma development? Where doeseach stage occur?

A: Schistosoma is a genus which is having many species of blood trematodes that causes schistosomiasis.…

Q: What is the difference between Labeo and Scoliodon?

A: Fishes are gill bearing aquatic animals that belong to the kingdom Pisces and phylum chordates. They…

Q: What are some examples of cnidarians? In which environments can these animals be found?

A: Hydra, jellyfish, coral are the some examples of cnidarians. Presence of cnidoblast cell in their…

Q: Discuss the systematic position of Scoliodon?

A: Pisces are aquatic, cold-blooded vertebrates that breathe through gills and live in water.…