Why is the fish circulationclassified as a simple andcomplete circulation?

Q: Compare osmoregulation by (1) sharks versus marine bony fish, and (2) freshwater bony fish and…

A: INTRODUCTION Aquatic insects excrete dilute wastes from their anus directly into water by flushing…

Q: What are the important physiological functions of the capillaries arising from the efferent…

A: Cortical nephron referred to as that nephron that is present in the cortical region of the kidney…

Q: The jellyfish in the video is a member of which medusazoan subclade (class)

A: Introduction :- Jellyfish is a planktonic marine organism and it is the member of the class…

Q: How is the bigger protein called trypomyosin sediments more slowly than the smaller protein called…

A: Introduction: An analytical ultracentrifugation method that estimates the pace at which the…

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

A: The human excretory system functions to remove wastes from the body. During this process, animals…

Q: a) The process by which salmon maintain an internal balance is called osmoregulation. Describe how…

A: Salmon lives in fresh water initially then, moves to salty water where they reach sexual maturity…

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: Describe Countercurrent Multiplier System?

A: Countercurrent multiplication in the kidneys is the process of using energy to generate an osmotic…

Q: Although the kidney is basically similar in all vertebrates, its structure and function vary…

A: Kidneys are the vital organs of the body. They are considered as part of the urinary system. They…

Q: Which of the following could cause an INCREASE in the concentrations of ions found in the blood? 1.…

A: The human bloodstream has many different types of ions. The major contribution to the total…

Q: Why is excretion important in order to achieve osmotic balance?

A: Excretion- It is a process by which the body's metabolic waste is eliminated out from an organism'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: what is upwelling and how is it important?

A: The ecosystem includes all living (biotic) and non-living (abiotic) things and interaction between…

Q: Which of the following ions is important for the symport transport of amino acids, glucose and other…

A: Symport transport is form of active transport that helps in transport molecules across the membranes…

Q: What happens to the water in the descending limb of the loop of Henle?

A: The Loop of Henle is a long U-shaped portion of the tubule that plays the role of conducting the…

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: An important function of the excretory system is to eliminate excess nitrogen produced by metabolic…

A: Answer is c.)  pigeon.

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: I know marine mussels are osmoregulators but if you but them in a very very very salty enviorment…

A: Osmoregulators are organisms that regulate the water and solute concentration of their body fluids,…

Q: This is a nephron

A: The structure shown above is a nephron, to properly identify which statement is true, label first…

Q: Ascending limb of Henle’s loop is _______ to water whereas the descendinglimb is _______ to it.

A: Animals produce different types of nitrogenous waste as a result of various cellular reactions…

Q: 30. A luminal cell membrane that has an Na+ K+-2C cotransporter is located in which of the following…

A: The given image to us is that of a nephron which is the functional and structural unit of the kidney…

Q: What are the three types of nitrogenous wastes? Which animals aremost likely to excrete each one,…

A: Nitrogen is one of the most essential macronutrients needed for the sustenance of life. It is an…

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: Draw a schematic diagram showing the flow of water and salts in the proximal tubule of the kidney.…

A:

Q: Find another example of a countercurrent exchange system either in biology or engineering and…

A:

Q: Which is .......... river in the world? * O the longer the longest O the long Olongest

A: Question: Which is.............. river in the world?

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: is the human kidney a model for all mammalian kidneys?

A: The kidney is a vital organ in the human body that filters blood and regulates electrolyte balance…

Q: What is Osmotic pressure ? Why it is used ?

A: The term ‘osmosis’ refers to the movement of solvent molecules through a semipermeable membrane from…

Q: Explain why the countercurrent flow that occurs in the gillsof fish is much more efficient than…

A: Concurrent flow refers to the flow of oxygen-poor blood and oxygen-rich water in the same direction.…

Q: Describe countercurrent exchange in the gills of fish.  How does it increase the effectiveness of…

A: Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen…

Q: Name the structure which accomodation apparatus is composed of.

A: Eye is one of the sensory organs present in the body of an organism. It is responsible for sensing…

Q: a) In what direction are ions actively transported across the gills of euryhaline fish when they are…

A: Euryhaline fishes are capable to adapt at a wide range of salinity. Molly is a euryhaline fish. To…

Q: 1) "Compared to those of similarly sized birds and lizards, the kidneys of mammals ______." A)…

A: A pair of two organs that are shaped like beans situated on opposite sides of the spine, under the…

Q: When a salmon or other teleost fish migrates from seawater intofreshwater, what are all the changes…

A: Teleosts are members of the Teleostei infraclass, which contains 96 percent of all extant fish…

Q: What is the role of the invertebrate/vertebrate gill in osmoregulation

A:

Q: In the absence of ADH (vasopressin) the concentration of tubular fluid solute is greatest at which…

A: Answer Option C

Q: Create a simple schematic diagram of the Renin–angiotensin system

A: Renin-angiotensin system(RAS):-Also called the renin-angiotensin-aldosterone system(RAAS).-It…