Which of the following groups has a three-chambered heart?a. birds c. mammalsb. reptiles other than birds d. amphibians

Q: Bring out the differences between the heart of shark and that of frog?

A: The heart of a shark has two chambers: an atrium or auricle and a ventricle. Deoxygenated blood from…

Q: Book lungs and tracheae are terrestrial adaptations that reduce respiration water loss gas exchange…

A: Class arachnida are terrestrial or aquatic animals with simple eyes. They possess exoskeleton which…

Q: Look at the picture. Which sentence about the structure pictured is correct? A. It brings oxygen…

A: We get oxygen by breathing in fresh air, and we remove carbon dioxide from the body by breathing out…

Q: a) Horseshoe crabs use to carry oxygen through their blood. b) Why the blood of horseshoe crab is…

A: 1) Hemocyanin  2) The blood is blue because it contains a copper based respiratory pigment called…

Q: In a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.

A: Answer- The organs starts to develop from the first month of the pregnancy in the humans.

Q: Biology Which blood vessel carries oxygenated blood from the lungs to the heart? Renal vein…

A: The circulatory system transfers waste while also supplying oxygen and nutrients to cells. Blood is…

Q: Contrast amphibian and reptile hearts, explaining what two factors limit mixing within them.

A: The heart is the primary organ that pumps blood throughout the body. The circulation of the blood…

Q: 13 - Chambered heart occurs in:   A) Leech B) Earthworm C) Snail D) Cockroach

A: The heart performs the function of pumping blood to the different parts of the body. Different…

Q: Which animals lack a true circulatory system?a. cnidarians c. nematodesb. flatworms d. All of these…

A: Step 1 The circulatory system is a system connected with the flow of fluid in the body so as to…

Q: : In clown fish (chose one answer) A. Individuals are protandrous. B. It is better to be male when…

A: Clownfish, also known as anemonefish, belong to family Pomacentridae and subfamily Amphiprioninae.…

Q: Snakes, turtle, lizards and crocodilesfalls under which category of animals?A. Pisces…

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

Q: Which statement best describes how diving mammals are different than mammals that are not adapted…

A: So, this question is asking about feature which causes adaptation of diving mammals in water.…

Q: Which of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d.…

A: Digestive system is one of the systems in the body which carries out digestion. Digestion is the…

Q: Cutaneous respiration occurs in: A) Cockroach B) Salamander C) Crab D) Parrot

A: Answer is B.) Salamander.

Q: Which statement describes a benefit of desalination technology? A. The desalination process uses a…

A: Desalination is a process in which seawater / salty water is purified and made drinkable. Various…

Q: In the evolution of circulatory systems, how is a two-circuit circulatory system (such as that found…

A: Closed circulatory system is a type of circulatory system in which blood flows inside the blood…

Q: Write a note on Vertebrates and Human Medicine ?

A: Vertebrates are animals that possess a vertebral column and/or notochord at any point in their…

Q: why are birds more susceptible to respiratory infections than other animals

A: Physiological and behavioral phenomena that avian species, especially migratory birds inhabiting the…

Q: В • Structure A functions in [Select] [ Select ] • Structure B functions in digestion pumping blood…

A: Introduction: The earthworm is a segmented worm that belongs to the phylum Annelida and is a…

Q: Which of the following groups has a heart with four distinctchambers?a. birdsb. lampreysc. reptiles…

A: Heart with the four distinct chamber is a very specialise feature which is seen in organisms of…

Q: A_______ can reassemble if broken into individual cells. a. sea anemone c. sea star b. roundworm d.…

A: Sea anemone: The sea anemone is a sessile, soft bodied, primarily sedentary marine predator of the…

Q: Compare the structure of reptilian and mammalian hearts, tracing the flow of blood through the…

A: The circulatory systems is  composed of blood vessels which supplies the body nutrients and oxygen…

Q: Unlike bony fishes, amphibians havea. ears. b. jaws. c. a circulatory system.d. a heart.

A: The group of eukaryotic organisms that are heterotrophic and multicellular is called animals. There…

Q: The bacteria clostridium tentani releasew a toxin that ___? A. keeps muscles constantly contracted…

A: Clostridium tetani is a gram positive bacterium which releases tetanospasmin endotoxin, a potent…

Q: Design a test to support or refute this hypothesis: people who have no family history of high blood…

A: Salt has long been condemned as a cause of "hypertension". But, as the condition's study has…

Q: Amphibians were the first _________, four-footed terrestrial vertebrates.

A: The organisms of the ecosystem have significant properties. Depending upon the different features of…

Q: In which of the following group/ groups of animals, heart does not pump oxygenated blood to…

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

Q: Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates…

A: Vertebrates have superior single coronary hearts all through the path of evolution as most of them…

Q: what is the importance of animal reproduction in our society? What will be the impact in our lives…

A: Reproduction is also reffered to as procreation. This process is the biological manner via which…

Q: Animal without red blood cells: A) Frog B) Earthworm C) Snake D) Peacock

A: An animal is any member of the kingdom Animalia. Generally, animals are characterized by a…

Q: A. Haemologbin B. Ecdysine C. Anticoagulant D. fibrinogen 19. One who specializes in all kinds of…

A: "Since you have asked multiple questions, we will solve the first question for you. if you want any…

Q: What is the function of the blood vessels and capillaries? 1) They pump blood to the heart. 2)…

A: The circulatory system is an organ system that allows transport of carbon dioxide, oxygen,…

Q: Make a table that outlines the differences among the lungs of mammals, avians, and the tracheal…

A: Mammals belongs to class Vertebrates which includes most domesticated and familiar animals and it…

Q: Is a bird’s heart larger or smaller than other animals of the same size? Why do you think so?

A:

Q: Compare a fish heart, an amphibian heart and a bird heart.  Give all details.

A: The heart is the primary organ in s pumping blood throughout the body. The circulation of the blood…

Q: What do you call the larvae of echinoderms? Also, reptiles are cold-blooded vertebrate, how do they…

A: Introduction : Echinoderms are animals that are invertebrates. The name actually means spiny skin!…

Q: Crocodilians are the only group of reptiles that have a four chambered heart. How do you think this…

A: The heart is the pumping organ of circulatory system that is responsible for blood circulation…

Q: Explain the effect that decreasing temperature had on the frog heart. How do you think the human…

A: Ringer's  solution is a solution containing sodium chloride, calcium chloride, potassium chloride…

Q: Amphibians have three-chambered hearts, which have some limitations when compared to the…

A: Four chambered heart is the most developed type of heart found in  the birds and mammals. 4…

Q: B • Structure A functions in [Select ] [ Select] • Structure B functions in digestion pumping blood…

A: Animal body contains following system which are describe as below: Integumentary (skin), Skeletal…

Q: Compare an open circulatory system with a closed circulatorysystem, and note which groups of…

A: A circulatory system is a transport system that transports nutrients, gases, and other molecules…

Q: Among living animals, only birds have_____ . a. a cloaca c. feathers b. amniote eggs d. a…

A: Introduction :- The tissue that will become the female fetus's intestinal, genital, and urinary…

Q: The mammalian trachea and esophagus both connect to the(A) pharynx.(B) stomach.(C) large…

A: The mechanism of digestion involves-ingestion, propulsion, breakdown, absorption, and excretion. It…

Q: B. • Structure A functions in (Select ] [ Select ] • Structure B functions in digestion pumping…

A: Normally animal body contains following system in the body. Which are describe as follow:…

Q: Insects have a tracheal system that consists of: Flat plates along the side of the body. O b. A mass…

A: Respiration is an essential mechanism that allows the exchange of carbon dioxide (produced within…

Q: why are the lungs of amphibians not as efficient as human lungs

A: The majority of amphibians breathe through their skin and lungs. They need their skin to stay wet in…

Q: The Haversian canal pattern in dinosaurs suggests that they O A. were poikilotherms B. were similar…

A: Haversian canals are the channels found in bones when the cells replaces the bone with new material.…