Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 39, Problem 6TYU
Summary Introduction
Introduction: Maintenance of internal body temperature in the optimum range is called thermoregulation. Different organisms maintain their body temperatures by adapting different techniques. Energy gain and loss also plays important role in thermoregulation. Some animals bring
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Which of the following is a way that the body determines how much of a certain chemical, protein, enzyme, or response is needed to maintain homeostasis? A. Resource limitation, B. Feedback inhibition, C. Kickback inhibition, D. Signal loop
which of the following statements are true about homeostasis? Select all that apply.
a. The selective permeability of the cell membrane allows for thermoregulation.
b. Homeostasis is an organism‘s way of maintaining constant and balanced internal processes.
c. Ectotherms rely on environmental heat to maintain homeostasis.
d. Homeostasis works by a system of positive feedback.
Consider an ectotherm and an endotherm of equal body mass. Which of the following would you expect to be true?
-both animals require the same amount of energy per unit mass
-the ectotherm requires more daily calories from food than the endotherm
-the endotherm requires less energy per unit mass but more total energy than the ectotherm
-the ectotherm requires less energy per unit mass but more total energy than the endotherm
-the ectotherm could survive a longer period without food relative to the endotherm
Chapter 39 Solutions
Biology (MindTap Course List)
Ch. 39.1 - Compare the structure and function of the four...Ch. 39.1 - Compare the main types of epithelial tissue and...Ch. 39.1 - Compare the main types of connective tissue and...Ch. 39.1 - Contrast the three types of muscle tissue and...Ch. 39.1 - Relate the structure of the neuron to its...Ch. 39.1 - Briefly describe the organ systems of a mammal and...Ch. 39.1 - CONNECT What are the main differences in structure...Ch. 39.1 - What type of tissue lines the air sacs of the...Ch. 39.1 - What are some differences between the three types...Ch. 39.1 - What are the main functions of each of the...
Ch. 39.2 - Define homeostasis and contrast negative and...Ch. 39.2 - Prob. 1CCh. 39.3 - Prob. 8LOCh. 39.3 - Compare the costs and benefits of being an...Ch. 39.3 - Prob. 10LOCh. 39.3 - Prob. 1CCh. 39.3 - Prob. 2CCh. 39.3 - Prob. 3CCh. 39 - Know and Comprehend 1. Tissue that contains...Ch. 39 - Tissue that contracts and is striated and...Ch. 39 - Prob. 3TYUCh. 39 - Prob. 4TYUCh. 39 - Prob. 5TYUCh. 39 - Prob. 6TYUCh. 39 - Test Your Understanding Apply and Analyze 7....Ch. 39 - Prob. 8TYUCh. 39 - Prob. 9TYUCh. 39 - Test Your Understanding 10. PREDICT The...Ch. 39 - Prob. 11TYUCh. 39 - Prob. 12TYUCh. 39 - Prob. 13TYU
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- Which of the following is a correct statement about endothermic organisms? A. Compared to ectotherms, since they cannot have their internal body temperature leave the thermoneutral zone, they are limited with regard to the types of environments they can live in. B. Endotherms do not typically use passive mechanisms for thermoregulation, such as insulation, because they utilize metabolic energy to control body temperature. C. The trait of endothermicity is a derived characteristic in mammalian animals and is not seen in other phylogenetic branches in the Metazoan Clade. D. All endotherms possess sweat glands, which allow them to conduct evaporative cooling to lower their body temperature when needed. E. None of the abovearrow_forwardRegular physical exercise is a great way to improve your overall well being. Exercise controls weight, improves mood, boosts your energy and metabolism, improves sex life and promotes good sleep. The physical activity is usually accompanied by increase in body temperature and sweating: 1- What is the reason for the increase in the body temperature? 2- Explain the relationship between sweating and body temperature and the significance of this feedback. 3- Identify the type of feedback system in this specific example, and define this feedback system. 4- Identify all the components of this particular feedback system and specify the body structures that represent each of these components. 5- Define each component of a feedback system according to whal you learned in your book. Use the Terminology that you learned whenever applicable to answer the discussion. Some online research will be helpful as well.arrow_forwardRegular physical exercise is a great way to improve your overall well being. Exercise controls weight, improves mood, boosts your energy and metabolism, improves sex life and promotes good sleep. The physical activity is usually accompanied by increase in body temperature and sweating: 1- What is the reason for the increase in the body temperature? 2- Explain the relationship between sweating and body temperature and the significance of this feedback. 3- Identify the type of feedback system in this specific example, and define this feedback system. 4- Identify all the components of this particular feedback system and specify the body structures that represent each of these components. 5- Define each component of a feedback system according to what you learned in your book.arrow_forward
- You are studying a large tropical reptile that has a high and relatively stable body temperature. How do you determine whether this animal is an endotherm or an ectotherm? (A) You know from its high and stable body temperature that it must be an endotherm. (B) You subject this reptile to various temperatures in the lab and find that its body temperature and metabolic rate change with the ambient temperature. You conclude that it is an ectotherm. (C) You note that its environment has a high and stable temperature. Because its body temperature matches the environmental temperature, you conclude that it is an ectotherm. (D) You measure the metabolic rate of the reptile, and because it is higher than that of a related species that lives in temperate forests, you conclude that this reptile is an endotherm and its relative is an ectotherm.arrow_forwardWhen you have completed this section, you should be able to a. state the characteristics that distinguish living organisms from nonliving objects;b. explain the importance of physiological variation among persons;c. define homeostasis and explain why this concept is central to physiology;d. define negative feedback, give an example of it, and explain its importance to homeostasis;e. define positive feedback and give examples of its beneficial and harmful effects; andf. define gradient, describe the variety of gradients in human physiology, and identify some forms of matter andenergy that flow down gradients.arrow_forwardEndothermy and Ectothermy are two strategies that organisms use to generate or maintain their internal body temperature. An ectotherm is an organism that derives very little of its body temperature internally, and relies on the environment for heat. An endotherm is an organism that maintains its own body at a metabolically favorable temperature by internal means. Question: How does temperature affect endotherms and ectotherms differently? Describe the evidence that will help you make a claim about the question: How does temperature affect endotherms and ectotherms differently?arrow_forward
- Consider the following energy demands: basal metabolism, reproduction, thermoregulation, activity, and growth; How should the energy spent toward these demands differ between an endotherm and an ectotherm of the same size?arrow_forwardIn terms of body temperature regulation, contrast “cold-blooded” (Ectothermic or poikilothermic) and “warm-blooded” (Endothermic or homeothermic). Identify three animals that are ectothermic and three animals that are endothermic. What is the adaptive advantage of endothermy?arrow_forwardRead the following scenario and determine the parts of the homeostasis feedback loop. When a human increases physical activity, the amount of fuel burned in its cells also increases, which in turn increases the concentration of dissolved CO2 in the blood. The CO2 reacts with water in the blood to make a weak acid, which lowers the pH of the blood. Sensory cells in the aortic arch register this drop in pH and send sensory information to the medulla oblongata of the brain. The medulla oblongata sends signals to the diaphragm to increase respiration. This will clear the CO2 from the bloodstream. A. Name the stimulus in this scenario. B. Explain what a receptor is in the homeostasis feedback loop and name the receptor in this scenario. C. Explain what an integrating center is in the homeostasis feedback loop and name integrating center in this scenario. D. Explain what an effector is in the homeostasis feedback loop and name the effector in this scenario. E. Name the response in this…arrow_forward
- Ectotherms: They are otherwise called wanton creatures. Fishes, creatures of land and water, reptiles are ectotherms. Endotherms - they are otherwise called warm-blooded creatures. For example, birds and vertebrates are endotherms. Impact of temperature on endotherms - When the temperature is low, endotherms produce more hotness to keep the internal heat level steady. So endotherms are not influenced by the temperature of the climate. Impact of temperature on ectotherms - The temperature of the climate influences ectotherms. At the point when the temperature is high, ectotherms grow quicker. At the point when the temperature is low, they might foster injury. Provide biological reasoning for your claim about endotherms. Consider addressing the following: -Why do you see the data you see? -What is happening at the molecular level? -What are the benefits and disadvantages of being an endotherm. -How do endotherms maintain homeostasis?arrow_forwardWhich of the following statements best summarizes the difference between ectothermic and endothermic organisms? Group of answer choices Ectotherms absorb external heat, but endotherms use metabolic heat to maintain a warm, steady body temperature Ectotherms are warm-blooded, but endotherms are cold-blooded Endotherms control their temperature, but ectotherms have no control over their temperature Endotherms are warm-blooded, but ectotherms are cold-bloodedarrow_forwardWhich of the following statements is True?a. Ectotherms generate most of their body heatmetabolically.b. Ectotherms include birds and mammals.c. Ectotherms experience variable body temperatures.d. Ectotherms are known as “warm-blooded” animals.arrow_forward
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