Endocrine System and Osmoregulation How are hormones distributed to tissues, and

Question

Endocrine System and Osmoregulation How are hormones distributed to tissues, and what determines which cells a hormone will affect? Aythey are distributed locally in the interstitial fluid and affect nearby responsive target cells. B)they are camied to specific organs by lymphatic vessels and affect the cells in those organs. COthey are carried to specific organs by ducts and affect the cells in those organs. Dthey are delivered by cells to specific tissues and cells, which are affected. Ethey are carried throughout the body in the bloodstream, and each hormone affects the target cells responsive to it. What do the vertebrate large intestine and kidney have in common? A) elimination B) water conservation C cuboidal epithelium D)A and B E) all choices are correct A chemical produced by an animal that serves as a communication to another animal ofthe same species is called A) a marker. B) an inducer. C) a pheromone, D) an agonistic chemical. E an imprinter. Due to the fluctuation of salinity, organisms in estuarine habitats tend to be A) stenohaline B euryhaline isohaline Compared to sea water surrounding them, most marine bony fish are described as being A) hypertonic B) isotonic C) hypotonic D) similar to fresh water bony fish E) similar to cartilaginous fish Which of the following lists structures in the order in which fluid flows through them? A) Bowman's capsule, proximal tubule, loop of Henle, distal tubule, glomerulus B) glomerulus, proximal tubule, distal tubule, Bowman's capsule, loop of Henle C) glomerulus. Bowman's capsule, proximal tubule, loop of Henle, distal tubule D) Bowman's capsule, glomerulus, proximal tubule, loop of Henle, distal tubule E) proximal tubule, Bowman's capsule, loop of Henle, distal tubule, glomerulus

Explanation / Answer

Note: Answering to many questions is against to chegg rule, so I am answering 1st few questions

1. ANS: E. They is carried throughout the body in the bloodstream, and each hormone affects target cells responsive to it.

2. ANS: D. A and B

Explanation: The relative concentrations of water and solutes must be maintained within narrow limits, despite variations in the animal’s external environment.

Vertribate large intestine is lined with simple columnar epithelium.

3. ANS: C. pheromones

Explanation: A chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.

4. ANS: B. euryhaline.

Explanation: Most stenohaline organisms cannot tolerate the rapid changes in salinity that occur during each tidal cycle in an estuary. Plants and animals that can tolerate a wide range of salinities are called euryhaline. These are the plants and animals most often found in the brackish waters of estuaries.

5. ANS: A. Hypertonic

Saltwater fish are constantly surrounded by salt. So their environment is hypertonic, and saltwater fish lose water to the salty environment easily. And the Freshwater fish is completely opposite to saltwater fish. Fresh water fish live in hypotonic environment because it constantly needs to gain salts and lose water to help maintain balance.

6. ANS: A. Bowman's capsule, proximal tubule, loop of Henle, distal tubule, glomerulus.

7. ANS: D. uric acid.

Explanation: Birds, insects, and many reptiles excrete nitrogenous waste in the form of uric acid to reduce water loss compared to other nitrogenous wastes, but require more metabolic energy to produce.

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