Young downstream salmon migrants moving from their freshwater natal streams into the sea leave an environment nearly free of salt to enter one containing three times as much salt as their body fluids. Describe osmotic challenges of each environment and suggest phys-iological adjustments salmon must make in moving from freshwater to the sea

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A: Proximal convoluted tubule is the first portion of the tubule of nephron. Nephron is the basic…

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A: Introduction :- In vertebrates, the kidneys are two reddish-brown, bean-shaped organs. In adult…

Q: Based on the physical laws of evaporation, explain why the highbody temperatures of mammals and…

A: Answer: Introduction: The rate of evaporation is directly proportional to the alteration among the…

Q: Describe the three steps in which organisms excrete wastes.

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Q: whether they are hypotonic or hypertonic, does it have a correlation to why they are bony or…

A: For better understanding, let's understand by knowing the terms used in the question. Hypertonic…

Q: Define nitrogenous wastes, and list the main types produced in animals.What are some advantages and…

A: The metabolic waste containing excess nitrogen is eliminated out from the body of an organism is…

Q: Describe structure of the nephron. How is the mammalian nephron capable of creating concentrated…

A: Answer of the question given below...

Q: Describe the movement of water between the compartments after taking a drink of water.

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Q: Compared to the seawater around them, most marine invertebrates are hypoosmotic and osmoconformers…

A: The question is asking us to determine the osmotic condition and osmoregulation strategy of most…

Q: Explain the movement of water between hypotonic andhypertonic environments.

A: There are two types of transport across a semi-permeable membrane; active transport and passive…

Q: The following are contained in the filtrate produced in the Bowman's capsule except.. Salts Amino…

A: Introduction :- The glomerulus is protected by a two-walled pouch called Bowman's capsule. Bowman's…

Q: 1y nephron. All other vertébrates only have a cortical nephron. What does this mean for the…

A: There is a glomerulus present in the cortical nephrons which is located near to the outer parts of…

Q: Both saltwater and freshwater fish have adaptations to control the movement of water and salts…

A: Answer: Introduction: Saltwater and freshwater fish have adaptations to control the movement of…

Q: Discuss the physiogical adaptations that limit water loss in terrestrial insects. You should provide…

A: In this question we have to describe about a physiological adaptation to prevent water loss. See…

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: Identify the passive transport that allows water to move across a semi permeable from a rehion of…

A: According to the concentration gradient of water through the membrane, osmosis is the movement of…

Q: Describe one adaptation for osmoregulation in freshwater animals, saltwater animals, and saltwater…

A: OSMOREGULATION- Osmoregulation is the process of maintaining an organism's body fluids, sensed by…

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: Which of the following is true about drag in fish locomotion? It is the combined result of viscous…

A: Swimming is one form of locomotion present in aquatic animals. As fishes are present underwater,…

Q: Compare the osmoregulatory problems and adaptations of a hypo-osmotic shallow marine fish, a…

A: The maintenance of constant osmotic pressure in the fluids of an organism by the control of water…

Q: Do marine mussels use the sodium potassium pump?

A: The bivalve species known as marine mussels are found in the ocean's intertidal region. Their two…

Q: The renal handling of a novel drug is being studied. When the drug is present in the blood, it is…

A: GivenDrug reabsorption is negligible.

Q: Why are sharks osmoconformers yet ionoconformers? Explain using concepts on osmoregulation and…

A: Osmoconformers: these are the marine animals with the ability to maintain the osmorality of their…

Q: select all that apply Which of these experimental designs could help determine if the change in…

A: On the basis of the ways of maintaining the osmotic balance, animals can be divided into two…

Q: The following is true of dose-related nephrotoxicity caused by aminoglycoside

A: Correct Options are: Option 1. Is characterized by drug accumulation in renal tubular cells. Option…

Q: what is osmotic pressure ? Why it is helpful ?

A: Osmosis is a phenomenon which is defined as diffusion of water molecules from a less concentrated…

Q: As the filtrate moves into the medulla, what is the major cause of an increase in filtrate…

A: Kidney is a bean-shaped organ that plays a crucial role in the renal system. Kidney consists of the…

Q: When filtrate moves through the ____ limb of loop of henle, NaCl leaves the filtrate through ____…

A: Answer: NEPHRON : It is the structural and functional unit of kidney. It is composed of renal…

Q: and gills of the fish. One of the effects of the infestation is skin hyperplasia, which is a…

A: Homeostasis is the phenomena of maintaining internal balance of the body by some measures present…

Q: Discuss osmotic balance in freshwater and saltwater fishes.

A: Osmoregulation is the ability to maintain an internal balance of water and salt. Kidney plays an…

Q: Explain and contrast osmoregulation in freshwater and saltwater fish.

A: Osmoregulation is a method that regulates the osmotic pressure of fluids and electrolytic balance in…

Q: Give examples of how filtration passive transport occurs in animals.

A: Passive filteration - in this filteration uses the pressure gradient as the molecules move from the…

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: Elucidate the fundamental challenges the aquatic vertebrates and terrestrial vertebrates face in…

A: Terrestrial Vertebrates:  Land-based (land-dwelling) Non-native Vertebrates (animals having a…

Q: Describe the actions of aquaporins. Which aquaporins are always present and where and which are only…

A: Aquaporins belong to intrinsic protein family and they form a channel protein. This consists of six…