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Biology

Describe one adaptation for osmoregulation in freshwater animals, saltwater animals, and saltwater plants.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter16: The Body's System

Section: Chapter Questions

Problem 28CTQ: Why is excretion important in order to achieve osmotic balance?

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Describe one adaptation for osmoregulation in freshwater animals, saltwater animals, and saltwater plants.

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Explain and contrast osmoregulation in freshwater and saltwater fish.
In the aquatic world, osmoregulation is very important. Please describe what would happen at the cellular level as well as organismal level to a freshwater fish that is placed in salt water.
Describe the underlying osmoregulation issues that aquatic and terrestrial animals confront, as well as their solutions for overcoming them. Emphasize how their osmoregulatory organs have modified.
a) The process by which salmon maintain an internal balance is called osmoregulation. Describe how salmon achieve osmoregulation as they migrate between fresh and saltwater environments. b) Describe what happens to salmon in fresh water. What direction do solutes tend to move via diffusion? What direction does water tend to move via osmosis?
Compare the osmoregulatory problems and adaptations of a hypo-osmotic shallow marine fish, a hyperosmotic freshwater fish, a deep-sea fish, a salmon, and a terrestrial vertebrate
Compare osmoregulation by (1) sharks versus marine bony fish, and (2) freshwater bony fish and freshwater mosquitoes.
The diagram below of part of a nephron shows some of the pressure gradients that are involved in the movement of fluids from blood to the glomerular filtrate within the Bowman's capsule. The numbers represent hydrostatic pressure in kPA. Afferent arteriole (9.32) Glomerulus Efferent arteriole (2.34) -Bowman's caps Colloid osmotic pressure of the plasma in the glomerular capillaries (4.26) Net fitration Distal convoluted Proximal convoluted tubule tubule (1.33)
Regarding osmoregulation, what physiological and behavioral changes would occur as a fish migrates from a freshwater stream to the ocean?
Describe osmoregulators or osmoconformers and how these tools allow animals to adapt to different environments
What types of osmoregulatory challenges do humans experience? Explain. What mechanisms do we have to meet these challenges?
Make a diagram of Nephron Function diagram the changes that occur in osmolarity and volume of the filtrate as it moves through the nephron and collecting duct. Draw the diameter of the nephron proportional to the volume of the filtrate and the color intensity of the filtrate proportional to the osmolarity. Make sure to draw a gradient arrow for the osmolarity of the interstitial fluid.
Explain the term osmoregulation.