1. Control of fluid flow is vital for efficient respiration. With the development of more complex structures to alter fluid flow in aquatic ancestors, fishâ |

Q: Give the digrammatic representation showing scheme of single circulation in a fish?

A: Fishes have two chambered heart and their heart has only one atrium and one ventricle. The…

Q: The earliest, most ancestral plants and animals relied on external water for reproduction.  Later…

A: The ancestral plants and animals require external water for reproduction however, the need for…

Q: Using Daphnia and grasshoppers as specific examples, compare how aquatic arthropods accomplish gas…

A: Arthropods are a large group of invertebrate animals.  Insects ,spiders , crabs etc. These have a…

Q: Oxygen exchange (acquisition) in aquatic organisms is limited by __________ diffusion rate and…

A: The oxygen exchange in aquatic organisms occurs through the process of diffusion. The oxygen…

Q: Oxygen comes from theenvironment and carbondioxide in the end returns tothe environment. How dosmall…

A: Respiration is a physiological process that collectively supplies the body cells with oxygen from…

Q: Explain the functions of the water vascular system insea stars.

A: The water vascular system is a remarkable and characterizing normal for echinoderms. It is an…

Q: How can the viscosity of water both hinder and facilitate movement in aquatic animals?

A: Viscosity can be defined as the measure of the fluid's resistance to the flow. It also describes the…

Q: Describe  the course taken by water current in each body plan: 1. Asconoid 2. Syconoid 3.…

A: The phylum Porifera can be defined as an asymmetrical or radially symmetrical cellular organism with…

Q: Direction: Describe the process of respiration for each organism below. 1. Acoelomate flatwom 2.…

A: Note: We are supposed to answer three subpart of a question. Please repost the other questions…

Q: Name the compartments that separate the body fluids of eumetazoan animals and to explain the way in…

A: Animal bodies contain both intracellular and external components. The two essential non-cellular…

Q: A. List some invertebrates who are endotherms B. How can something be ectothermic but also maintain…

A: A) Like most other birds and mammals, humans, polar bears, penguins, and prairie dogs are…

Q: Suppose you discovered a new hamster gene and found that thelevels of RNA for this gene were…

A: Hibernation is an inactive state in which the heart rate, breathing rate and body temperature of an…

Q: Fish, like all invertebrates have a single circulatory systems circulatory a) explain why single…

A: Single circulatory system : It occurs in fish . In this system blood travels from heart to gills ,…

Q: What adaptations in aquatic birds and mammals help meet the challenges of osmoregulation and…

A: The maintenance of salt and water concentration across the membranes of the body is known as…

Q: 6. Describe some respiratory and cardiovascular adaptations enabling dolphins to stay underwater for…

A: Respiration:It is a biochemical process which produces energy. In this process, cells of an organism…

Q: describe the difference between osmoconformers and osmoregulators.

A: Marine organisms can be defined as the type of organisms that live in the sea or ocean. Marine…

Q: 1. Snorkels are long breathing tubes that allow a swimmer to look at things under the water without…

A: Snorkeling is a swimming process through which a person can swim through a swim suit and mask fitted…

Q: Body fluids of eumetazoan animals are separated into fluid "compartments." Name these compartments…

A: The watery matrix in which the metabolic activities of cellular metabolism take place is referred to…

Q: What is the relationship between respiration and temperature in fish?

A: Respiration is a metabolic process that occurs in all living beings. It is a biochemical process…

Q: water vascular system of Sea Stars (Class Asteroidea) and the hemal system of solitary tunicates…

A: The water vascular system is present in sea stars as well as the hemal system of solitary tunicates.…

Q: Describe how the mechanism of ventilation in reptiles andmammals is similar to changing the volume…

A: Ventilation is the movement of air into the lungs from the atmoshere due to the  The air moves…

Q: Swim bladders in fish and lungs in terrestrial animals have a common evolutionary origin, but have…

A: Swim bladders in fish and lungs in terrestrial animals have a common evolutionary origin,…

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: 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: Explain the flow of water through the water vascular system of the starfish.

A: Water vascular system: It is a hydraulic system, exclusively found in echinoderms and it helps in…

Q: Q.3. Why do marine entities lack contractile vacuoles as compared to freshwater entities?

A: The contractile vacuole is a complex osmoregulatory organelle present in the prokaryotes. These…

Q: 1. How does a lack of dissolved calcium in sea water affect krill 2. Explain how a lack of nitrogen…

A: Marine pollution refers to garbage and contaminants that enter the ocean from terrestrial sources.…

Q: What is the process of respiration when it comes to fishes in the ocean

A: Fishes obtain the necessary oxygen through aquatic respiration. Aquatic respiration is defined as…

Q: Freshwater vertebrates ...   A. are hyperosmotic regulators.   B. produce large volumes of…

A: Freshwater fishes are hypertonic to their surrounding environment. That actually means that the…

Q: 4. We have discussed that the suprachiasmatic nuclei (SCN) control the master dock of mammalian…

A: Biological rhythm or biorhythms are referred to as a periodic biological fluctuation in an organism…

Q: (2) Salt water is denser than fresh water – based on this information and your knowledge of how swim…

A: Fish are aquatic animals that live in the sea, rivers, lakes, and oceans. Individuals increasingly…

Q: How does an aquatic animal offset the decrease in oxygen levels in warmer water? A. by increasing…

A: In water, the oxygen is present in a dissolved form that is not easy to extract for the fishes…

Q: 7) The mammalian kidney is filled with over 1 million nephrons and this organ is considered a highly…

A: Kidneys are the complex excretory system consisting of nephron which is considered as the basic…

Q: If fish do not add or remove air from their air bladders their overall density _____ when they…

A: Swim bladder, also called air bladder, buoyancy organ possessed by most bony fish. It contains gas…

Q: A. Toadfish Fibers, 16°C Force [Free Calcium] 0.0 0.2 0.4 r 0.6 Tim Toadfish are fish that can…

A: The sonic or also called drumming muscles in some fishes produce sounds through the contraction. The…

Q: Unlike bony fish in the sea, cartilaginous fish are hypertonic in their osmotic pressure. Thus: O a.…

A: Cartilaginous fishes belong to the class Chondrichthyes, in which the skeleton of fishes is made up…

Q: 3) In Annelids, the following devices are metamerized (organs distributed in each metamer):…

A: Metamerism Metameric segmentation or metamerism is an architectural body plan in some animals in…

Q: There is no mixing of oxygenated (high [O2]) and deoxygenated (low [O2]) blood in the ventricle of a…

A: The circulatory system, or the cardiovascular system, is an organ system that permits blood to…

Q: 1:How does temperature affect the respiration rate of of cricket or pea. 2: how does the…

A: Respiration is the process of breakdown of molecules like sugars and fatty acids into carbon dioxide…

Q: Using the terms below, which of the following correctly lists the flow of water through a Bivalve…

A: The objective of the question is to identify the correct sequence of water flow through a Bivalve…

Q: Theory predicts that when both terrestrial and freshwateranimals evolve higher metabolic rates, they…

A: Introduction  Osmotic balance in the body is necessary for all the organisms be they living in water…