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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(a)What are the stimuli in the picture? (b) What is our body’s response when the temperature of our body decreases? When it increases?
Endothermy 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?
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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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- A scientist observes an animal that maintains a stable internal body temperature regardless of the external environmental conditions. Which term best describes this thermoregulatory strategy? Group of answer choices Heterothermic Poikilothermic Ectothermic Homeothermicarrow_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_forwardEctotherms use more energy to maintain their body temperature than endotherms are better able to carry out intense, long-duration activity than endotherms have a more constant internal body temperature than endotherms gain most of their heat from external sources have a higher metabolic rate than similarly-sized endothermsarrow_forward
- Predict what would happen to the metabolic rate of the mouse if you increased the temperature. Predict what would happen to the metabolic rate of the mouse if you decreased the temperature (You can make this prediction with text or with lines on your graph). Support your prediction with evidence about endotherms and ectotherms. (Hint: Think about what happens to your body when you get hot or cold.)arrow_forwardPositive feedback loops are the opposite of negative feedback loops. In a positive feedback loop, any change in the original variable triggers mechanisms that actually push the variable further in the direction of the change. Imagine that body temperature was regulated in this way. Briefly explain what would happen.arrow_forwardWhat should happen to Body temperature ,Hydration Levels ,Blood glucose levels and Oxygen levels 30 minutes after completion of marathon? Is this an example of negative or positive feedback? Explain reasonsarrow_forward
- Thermoregulation is the process by which animals maintain an internal temperature within a tolerable range. Which of the following statement is NOT TRUE about Thermoregulation ? Lütfen birini seçin: O a. Endothermic animals generate heat by metabolism O b. Ectothermic animals gain heat from external sources O c. In general, ectotherms tolerate greater variation in internal temperature, while endotherms are active at a greater range of external temperatures O d. Ectothermy is more energetically expensive than endothermyarrow_forwardAs the temperature surrounding an endotherm decreases from its normal body temperature down to the freezing point of water, what happens to the amount of energy consumed by this animal? The amount of energy consumed decreases There is no change in the amount of energy consumed The amount of energy consumed increasesarrow_forwardEndothermic animals can maintain consistent temperature conditions by generating, main- taining, and regulating their body heat. Under cold conditions, more body heat becomes lost to the environment. Endothermic ani- mals rely on different mechanisms that allow them to maintain their body heat. Which of the following mechanisms that occur in endothermic animals does not describe a mechanism by which they maintain their body heat under these types of conditions? A B с D Some endothermic animals hibernate during extreme environmental conditions, which decreases the rate of metabolic reaction and decreases heat loss. The tissues of the blood vessels of many endothermic animals can dilate and move closer to the skin, allowing for heat to move more readily into the environment. Shivering, which can occur involuntarily in most endothermic animals, produces rapid muscle contractions, which increase the rate of cellular respiration and thereby increase heat production. Layers of densely packed…arrow_forward
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