Which of the following statements is NOT true? O a. Ectotherms can generate internal metabolic heat b. Ectotherms may also be poikilotherms. c. Endotherms gain all their heat from internal, biochemical reactions. d. Some ectotherms are homeothermic. e. Endotherms must have mechanisms to remove excess heat.

Q: Which of the following are negative physiological feedback loops? Group of answer choices…

A: When any feature of a system, process, or mechanism's output is fed back in a way that helps to…

Q: An animal living in a cold environment loses heat at a rate that is proportional to its surface…

A: In the new born minimizing heat loss is central to reducing morbidity and mortality for the optimal…

Q: l itself even during moderate exercise. Suppose a 70k

A: The energy expenditure for activities of daily living consist of three important facts such as the…

Q: An American woman, Jennifer Strange, died in 2007 after competing in a water-drinking contest. She…

A: Water is a very essential molecule that is required to sustain life. The molecule is capable of…

Q: a A group of sientists studied the uptake of sodium of ions by living tissue (animal samples). To do…

A: In the graph, it is seen that the cells of flask G has up taken total of 10 AU (Arbitrary unit)…

Q: Choose the letter of the correct answer in each question. Options:  A. Positive Feedback Loop B.…

A: Osmoregulation is the process of active regulation of osmotic pressure of the fluid in an organism's…

Q: Which of these is not an example of cotransport? a. Movement of glucose and Na+ through the apical…

A: Cotransport is a type of transport mechanism of various chemical substances across cell membrane in…

Q: In a freshwater fish, a. water moves into the fish by osmosis.b. ions diffuse into the fish.c. urine…

A: Fishes are aquatic animals that bear gill and lack limbs. Most of these animals are cold-blooded or…

Q: Virtually all animal cells have a Na+/K+ pump. Which of the following statements concerning it is…

A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…

Q: Which of the following is NOT an ion homeostatically maintained in vertebrates? a. Cl– b. Na+…

A: Chloride, Cl- is secreted and reabsorbed in different parts of the nephrons and thus this is not the…

Q: Compare the costs and benefits of being an endotherm, and describe strategies endotherms use to…

A: Endothermy, or warm-bloodedness, is a physiological attribute introduced in some animals like as…

Q: Albumin: Choose best answer A. is produced by the liver B. helps to maintain body water within the…

A: Albumin, the most abundant protein in the blood plasma, serves various important functions in the…

Q: Stratified squamous epithelial cells are effectors in a feedback loop that helps maintain…

A: Stratified squamous epithelial cells are type of cells that are present in the outermost layer of…

Q: The cost of being endothermic is a high demand for energy (food) to support metabolic heat…

A: Endotherms that are smaller lose heat to the atmosphere more easily. Maintaining body heat…

Q: Brown adipose tissue... A. Has a rich blood supply and many mitochondria B. Is used for heat…

A: Adipose tissue is a kind of connective tissue which stores fat in subcutaneous layer of the  skin…

Q: Which of the following is a function of the rough ER?a. production of proteinsb. detoxification of…

A: Introduction  Cell is the basic unit of life which perform all kind of physiological and metabolic…

Q: Freshwater vertebrates ...   A. are hyperosmotic regulators.   B. produce large volumes of…

A: Freshwater fishes are hypertonic to their surrounding environment. That actually means that the…

Q: Swimmers may not pay attention to hydration as compared to runners. Swimmers do not get dehydrated.…

A: Given: Swimming is tough exercise during which your body sweats in the water. It is like if you were…

Q: Question 1 From the list of strategies for dealing with harsh cold environments, choose those that…

A: Ectotherms are cold-blooded animals whose body temperature fluctuates in response to their…

Q: During high intensity, short-duration exercise (weight lifting, for example), fatigue is believed to…

A: Muscle tension is defined as an important characteristic by which a muscle can develop tension and…

Q: In physiology positive feedback ______.   A is beneficial whereas negative feedback is harmful   B…

A: The metabolic reactions catalyzed by enzymes can be regulated by competitive inhibition, allosteric…

Q: Water loss (sweating) Skin Sweat pores Sweat glands produce perspiration by capillary filtration…

A: Dehydration: a. Excessive loss of body water is called dehydration. b. Causes of dehydration can be…