Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 30, Problem 5RQ
Most marine invertebrates are osmotic conformers. How does their body fluid differ from that of sharks and rays, which are also in near osmotic equilibrium with their environment?
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Some animals are osmoconformers, meaning that they maintain the tonicity/osmolarity of their body fluids equal to that of the external environment. Hydroids, a type of cnidarian, are osmoconformers. But they don't move and thus are adapted to the environment they live in. A) What would happen if you take a marine hydroid and transfer it into a freshwater aquarium? B) What would happen if you take a freshwater hydroid and transfer it into a saltwater aquarium? C) Sharks are extraordinary osmoconformers. Bull sharks store urea in their tissues and use it to match the tonicity of their tissues to that of the surrounding environment. Some sharks can move from saltwater to freshwater, hypothesize what changes will sharks do in order to adjust when moving from saltwater to freshwater and vice versa. Explain your answer in terms of tonicity and specify the direction of water movement and urea concentration.
How does a lizard control it's membrane fluidity at high temperature?
How Do Desert Mice Maintain Osmotic Homeostasis?
Chapter 30 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 30 - Define homeostasis. What evolutionary advantages...Ch. 30 - Describe the physiological challenges confronting...Ch. 30 - Distinguish the terms in the following pairs:...Ch. 30 - Young downstream salmon migrants moving from their...Ch. 30 - Most marine invertebrates are osmotic conformers....Ch. 30 - Prob. 6RQCh. 30 - In what animals would you expect to find a salt...Ch. 30 - Prob. 8RQCh. 30 - Prob. 9RQCh. 30 - Prob. 10RQ
Ch. 30 - In what ways does the nephridium of an earthworm...Ch. 30 - Prob. 12RQCh. 30 - Explain how the cycling of sodium chloride between...Ch. 30 - Explain bow antidiuretic hormone (vasopressin)...Ch. 30 - Prob. 15RQCh. 30 - Large mammals live successfully in deserts and in...Ch. 30 - Prob. 17RQCh. 30 - Prob. 1FFT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How does a lizard control it's membrane fluidity on a scorching day ?arrow_forwardBriefly describe the function of the insect hindgut with respect to water and electrolyte balance. How does this help the insect's homeostasis? You should NOT make a list of everything the cell moves in and out. Generalize and summarize, and keep your answer short, Suhmit your answer tho "Suhmitarrow_forwardYou said that " However, if the salinity level is too extreme or the exposure is prolonged, it could lead to cellular damage and potentially death. In summary, while marine mussels are adapted to live in a hypertonic environment and are osmoregulators, exposure to extremely high salinity levels could still be harmful to them." Where are you finding this I can't seem to find this on the internet do you have a research paper to show this. Thank you for your help and timearrow_forward
- Compared to the seawater around them, most marine invertebrates are hypoosmotic and osmoconformers isosmotic and osmoconformers. hyperosmotic and isoosmotic. none of these are correct hyperosmotic and osmoregulatorsarrow_forwardWhat are " homeoviscous adaptations "? How does a lizard control it's membrane fluidity on a scorching day ?arrow_forwardIf osmoregulatory hypotonic fish species are generally bony fish and osmoregulatory hypertonic fish species are generally soft and absorbent. Does it mean the reason for them being soft or bony from an evolutionary standpoint gives reason to why they are formed that way? Basically what I'm trying to ask is whether they are hypotonic or hypertonic, does it have a correlation to why they are bony or muscular like in structure.arrow_forward
- How do freshwater fish regulate osmotic stress in their environment? O take in electrolytes through simple diffusion excrete large quantities of electrolytes excrete large quantities of water consume large quantities of waterarrow_forwardComplete the table below regarding osmosis, diffusion, and active transport. Osmosis Diffusion Active Transport Describe the principles behind each process. Cite an example where each of these processes is exhibited by animals.arrow_forwardComplete the table below regarding osmosis, diffusion, and active transport. (own words and examples) Osmosis Diffusion Active Transport Describe the principles behind each process. Cite an example where each of these processes is exhibited by animals.arrow_forward
- Sponges are full of holes, jellyfish are big open sacs, and flatworms are flat. How are these features important in facilitating the process of diffusion?arrow_forwardWhat condition do animal cells prefer (hypotonic/isotonic/hypertonic)?arrow_forwardRelate the function of contractile vacuoles to the following experi-mental observations: to expel an amount of fluid equal in volume to its own volume required 4 to 53 minutes for some freshwater unicel-lular eukaryotes, and between 2 and 5 hours for some marine species.arrow_forward
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