How do fishes do gasexchange?

Q: What is a jawless vertebrate-petromyzon with its structure?

A: Jawless fishes are otherwise known as "Agnatha" and it is a superclass of the phylum Chordata. These…

Q: What is the function of otoliths among fish? Where are they located?

A: Function of otolith : Otoliths are biomineralized ear stones which contribute to both hearing and…

Q: What are various digestive glands present in the cockroaches?

A: Cockroach (Periplanata americana) is a common household insect. It belongs to insects family. It is…

Q: Are the bony fishes uricotelic or ammoniotelic?

A: Bony fishes are placed in the Class Osteichthyes and includes all fish that have bones. They are…

Q: What is anal cerci andits function in cockroach?

A: Cockroaches belongs to insect group. There are around 4600 species of them all over world. They are…

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 are the lateral linesof fishes?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates include…

Q: How is the extracorporeal digestion associated to predation in arachnids?

A: Arachnids refer to joint-legged animals which are invertebrates. Some examples are spiders, ticks,…

Q: How is gas exchange done in flatworms?

A: Flatworms come under phylum platyhelminthes and kindom animalia. These flatworms are found in the…

Q: What Role Do Hormones Play in Making a Mammal Male orFemale?

A: Hormones are signaling molecules produced by glands that are transported via the bloodstream to the…

Q: How do the body coverings of fishes, amphibians, nonavianreptiles, birds, and mammals differ?

A: Body covering can be defined as the covering of the body or a body part. Skin is the body covering…

Q: How does juvenile hormone affect metamorphosis in insects?

A: Hormones are defined as chemical messengers that are secreted or released directly into the…

Q: How does the wall lizard produce sound?

A: Lizard is a vertebrate that belongs to the Class Reptilia. Reptiles are generally characterized by…

Q: How do chaetognaths feed?

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

Q: How do clams move?

A: Clam is a kind of bivalve mollusc who is capable of burrowing into sand or sediments.They are often…

Q: Are most fast-swimming fish cold-blooded or warm-blooded? What advantage does this provide?

A: Some species of fishes possess a web of arteries and veins lying very close together which enables…

Q: How do annelids feed, exchange gases, and move?

A: Annelids are the phylum of animal kingdom that represent the segmented body also known as segmented…

Q: How does digestion in cnidarians differ from digestion in sponges?

A: In cnidarians. Digestion is extracellular followed by intracellular digestion

Q: How do insects walk?

A: The legs of insects are jointed and consist of five parts that are femur, tarsus, tibia, trochanter,…

Q: Which part of opuntia is modified to form spines?

A: Plants do not show locomotion, so in order to survive in the environment, they undergo several…

Q: How does the swim bladderof fishes work allowing fishesto control their depth underwater?

A: Fishes are vertebrate animals belongs to the family of Pisces. Fishes are aquatic organism’s lives…

Q: How are animals as delicate as nemerteans able to function as predators?

A: Nemerteans are described as free-living, thin, and extensible worms that are mainly present in…

Q: Describe the Jacobson's organs of sand lizard?

A: Jacobson's organ is otherwise known as the vomeronasal organ (VNO). This olfactory sense organ is…

Q: Give the role of pharynx in larval and adult lamprey?

A: The jawless vertebrates belong to the subphylum Vertebrata under the section Agnatha. The…

Q: What is the purpose of gill slits?

A: Gill slits are defined as the individual openings to  the gills which lack a single outer cover.…

Q: What is the role of blood sinuses in the cockroaches?

A: Introduction  All aerobic organism need oxygen to survive. This oxygen can be taken either by skin…

Q: How does a kinorhynch burrow itself into the mud. Explain the locomotory mechanism.

A: As part of the meiobenthos, Kinorhyncha is a phylum of small marine invertebrates that can be found…

Q: What is the origin of gastrovascular cavity in Jellyfishes?

A: Jellyfish falls under the phylum of Cnidaria that has a radially symmetrical body. They are…

Q: What is the difference in structure or location of the fangs of a rat-tlesnake, a cobra, and an…

A: The snakes are the legless reptiles that have a carnivorous diet. Most of the species are venomous…

Q: Do sea urchins have teeth?

A: Sea urchins belong to class Echinoidea and phylum Echinodermata under the Animalia kingdom. They are…

Q: What is the function of the “pit” of pit vipers?

A: The snakes are considered as the monophyletic group of the order Squamata. Viper is any of more than…

Q: Functions of the frog's body structures?

A: Solution -    Sturctural functions of frog's body- Introduction -a frog  undergoes complete…

Q: What is the function of the pharyngeal bars in animal?

A: The evolutionary process by which the living organisms develop certain characteristics that allow…

Q: What is the function of gastrocnemius msucle in the frog?

A: The construction of the muscular, skeletal, and other anatomical frameworks are explicitly changed…

Q: How Do Energy Budgets Differ for Three TerrestrialVertebrates?

A: Energy budget gives the balance between the energy income against the energy expenditure. The energy…

Q: How is respirationperformed by the larva ofamphibians?

A: Amphibians are adapted to live on both land and in water. In this way they are the link between…

Q: What’s an invertebrate?

A: RH Whittaker gave the five-kingdom classification and divided all the living organisms into the five…

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: How do fishes breathe?

A: Introduction  Fishes are the aquatic animals which either live on surface or in the water. Unlike…

Q: What are the typicalfeatures of mammals?

A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Mammals are vertebrate…

Q: Where do kinorhynchs live?

A: Kinorhynchs are tiny, spiny, clear, yellowish or reddish worms. They usually have 13 body segments:…

Q: How do jelly fishes locomote?

A: Jellyfishes are marine organisms that belong to the kingdom Animalia, and there are many kinds of…

Q: in eathworms, Is the clitellum located near the anterior or posterior end? What does the clitellum…

A: Annelida are segmented worms that live in saltwater, freshwater, and wet terrestrial environments.…

Q: How do the upper and lower teeth of mountain lion occlude

A: Mountain lion belongs to carnivore category which are flesh eating animals i.e they feed on other…

Q: What are the types of fecundation that occur in arthropods? What is the predominant type?

A: Arthropoda is the largest phylum of animal kingdom. Arthropods occur on land, in the soil, sea…