How is the respiratory system in aquatic molluscs characterized? What adaptive respiratory structure do terrestrial molluscs present?

Q: What is the evolutionary significance of the fifth gill arch of bony fish no longer supporting a…

A: The vast majority of vertebrates belong to the Osteichthyes superclass of bony fishes. Bony…

Q: What are the four major characteristic features of molluscs?

A: Mollusca is the second largest animal phylum. Molluscs are terrestrial or aquatic (marine or fresh…

Q: What are respiratory pigments? What is the respiratory pigment present in some arthropods? Which is…

A: Gas exchange involves the inhalation of oxygen and removal of carbon dioxide through lungs. For…

Q: Can organisms in the class Cephalopoda successfully compete versus humans? Is there a possibility…

A: Class Cephalopoda comes under the phylum Mollusca. Organisms under class Cephalopoda are exclusively…

Q: What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining…

A: Terrestrial organisms and aquatic organisms differs in their structural and functional aspects  due…

Q: how did ancient fish make the evolutionary jump from gills to lungs

A: The “Age of fish”, the Devonian period, is marked by the diversification of various fishes, that are…

Q: Describe how lungs differ among the main groups of terrestrialvertebrates.

A: With a minimal surface area, small lungs are present in amphibians. Lungs become more broadly…

Q: What is the differencebetween octopuses andmussels regarding theircirculatory systems? Howdoes that…

A: Octopoda is part of the Cephalopoda class which means that pulp is cephalopod.  Cephalopoda is a…

Q: If a lung occurs in a snail, where would it be located?     mantle cavity     coelom…

A: Phylum Mollusca is known to be the second-most diverse diverse phylum of the animal kingdom. The…

Q: How is the large size of some cephalopods related to the type of circulatory system they present?

A: Mollusca is the largest marine phylum of the animal kingdom that is characterized by a mantle with a…

Q: Ectothermic insects have respiration rates that are proportional to the temperature of their…

A: Introduction Ectotherms are also known as cold-blooded animals, these are organisms who cannot…

Q: Why are specialized respiratory structures necessary in a tadpole but not in a flatworm?

A: Flatworms belong to phylum Platyhelminthes. These organisms have dorso-ventrally flattened body.…

Q: How is gas exchange done in flatworms?

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

Q: How is the respiratory system of beings of the phylum Annelida characterized?

A: Phylum-Annelida includes metamerically segmented animals with true schizocoelous coelom. They may be…

Q: Sponges and cnidarians have no lungs or gills. How do they exchange gases with the environment? Are…

A: Vertebrates are organisms which possess backbone. They also possess notochord. Examples includes:…

Q: What is the function of the snail shell used by the hermit crabs? Do you think it could survive…

A: Hermit crabs, distributed worldwide, occur in coastal waters with sandy or muddy bottoms, and…

Q: What is cutaneous respiration? Give 3 examples of air-breathing fishes.

A: Introduction  Respiration is the important phenomenon by which the living organism performs gaseous…

Q: What are branchiae? Whatare examples of animals that“breath” through branchiae?

A: The animals are the most abundant living organism that are found in almost every habitat. They have…

Q: How does the respiratory system of a frog change when itundergoes metamorphosis? Why are these…

A: Metamorphosis is a biological process that allows an animal to physically develop after birth which…

Q: How do most insects respire?

A: Respiration is an oxidation process in which a complex organic substance is degraded, resulting in…

Q: What are the respiratory organ in animal kingdom?

A: Animal kingdom includes all animals of the world including primitive extinct animals to modern…

Q: What are the vital considerations in the coordinated and efficient functions of respiratory and…

A: Circulatory and respiratory systems go hand in hand in maintaining the oxygen and nutritional levels…

Q: ow does the number of fish affect dissolved oxygen through the process of respiration?

A: Dissolved oxygen is the amount of oxygen dissolved in water by the action of aerating winds.  Oxygen…

Q: How was the evolution or transformation of the terrestrial lungs carried out?  What other…

A:

Q: How do most insects respire?   A.  through skinB.  through gillsC.  by lungsD.  by trachea system

A: Amphibians respire through skin. Fish and amphibian larva respire through gills. Amphibian,…

Q: AN adaptive scenario for how lungs evolved in the tetrapod ancestor?? use the swim bladder to help…

A: Lungs are the central respiratory organ in the body. Oxygen is required for regular energy…

Q: What is the function of the molluscan visceral mass?   Secretes the shell   Movement   Houses…

A: Mollusks is represents the largest marine phylum and the second largest invertebrate phylum after…

Q: Arthropods are distinguished by having an exoskeleton andlacking external cilia. How do these traits…

A: The exoskeleton is the hard chitinous covering that covers the body of insects and prevents it from…

Q: What structures are involved in the following functions in sea stars? Briefly describe the action of…

A: The sea stars are the marine invertebrates that belong to the phylum echinodermata of kingdom…

Q: Cephalopods are the only mollusks (with segmented bodies/have a mantle that secretes a shell/with a…

A: Mollusca are designated as the second-largest phylum of the animal kingdom after Arthropoda. They…

Q: How do the fluctuating levels of carbon dioxide in the ocean and atmosphere indirectly affect…

A: The rising of atmospheric carbon dioxide concentrations due to the burning of fossil fuels, cement…

Q: Grasshopper (Cont.) What is the nature of the nervous system in the grasshopper and how does it…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: How is the nervous system of molluscs organized?

A: The nervous system of Mollusca is different from the nervous system of other vertebrates. The…

Q: Which organs or respiratory adaptations do aquatic and terrestrial arthropods respectively present?

A: Arthropods are the largest animal group that consists of one lakh terrestrial and aquatic species.…

Q: In cephalopods contraction of _____________________of the mantle force water from the mantle cavity…

A: Give options.  radial----inhalant valve circular-----inhalant valve Radial----funnel (siphon)…

Q: What are gills made of?

A: Gill is a respiratory organ usually found in aquatic animals, like fishes, molluscs, and…

Q: Why is ventilation important? Compare the morphological traits that enable ventilation in fishes…

A:

Q: Describe the different modes of respiration used by amphibians. What paradox do amphiumas and…

A: Amphibians are cold-blooded, small vertebrate animals that depend on the water for their survival.…

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: How do fishes breathe?

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

Q: Describe how the sea star respires.

A: The kingdom Animalia according to the five-kingdom classification by Robert Whittaker is divided…

Q: Describe the respiratory system of lizard?

A: Respiratory exchange is a simple physical process for the exchange of gases. The animals show the…

Q: What are disadvantage of cephalization?

A: During the course of embryonic development, the head is formed by the concentration of sense organs,…

Q: Besides vertebrates twoinvertebrate phyla containspecies that make pulmonaryrespiration. Which are…

A: Introduction  When there is exchange of oxygen from air to the cells through lung type of organ,…