Question 1

Compare and contrast the arthropod Malpighian tubules with a human kidney.Be sure to outline the function of the Malpighian tubule and the vertebrate kidney in some detail.

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Question 2

Compare and contrast ectotherms with endotherms.How do ectotherms achieve temperature independence,and what would be the "metabolic cost" to them if they evolved homeothermy?

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Question 3

What is so "adaptive" about adaptive hypothermia in birds and animals? Why not just become ectothermic?

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Question 4

Some insects are "facultative endotherms," which means they can warm up parts of their body such as the thorax by muscular thermogenesis.What advantages can you imagine for the evolution of such a trait?

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Question 5

Based on what you know,is it likely that the larger dinosaurs were ectotherms or endotherms? Think of their entire lifestyle and how that might reflect their thermoregulatory strategies.

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Question 6

Briefly describe the function and role of the following: aldosterone,renin,angiotensin,and antidiuretic hormone.

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Question 7

Explain the physiological process of glomerular filtration.

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Question 8

Outline various adaptive strategies for survival in cold environments used by both invertebrates and vertebrates.

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Question 9

Why does temperature have such a profound effect on biochemical reactions,and subsequently all of metabolism?

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Quiz 30: Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation