BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 37, Problem 13SA
Summary Introduction
a.
To determine:
The term that describes “endotherm.”
Summary Introduction
b.
To determine:
The term that describes “ectotherm.”
Summary Introduction
c.
To determine:
The term that describes “convection.”
Summary Introduction
d.
To determine:
The term that describes “conduction.”
Summary Introduction
e.
To determine:
The term that describes “thermal radiation.”
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When faced with a sudden drop in environmental temperature, an endothermic animal will ________.a. experience a drop in its body temperatureb. wait to see if it goes lowerc. increase muscle activity to generate heatd. add fur or fat to increase insulation
A crowded room warms up through the mechanism of________.a. conductionb. convectionc. radiationd. evaporation
Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming that the body shape of an animal is at least somewhat spherical, a considerable decrease in body size would _______ the surface area-to-volume ratio, and the ability to exchange heat with the environment would _______.
A.
increase; increase
B.
increase; stay about the same
C.
increase; decrease
D.
decrease; increase
E.
decrease; stay about the same
Chapter 37 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- When faced with a sudden drop in environmental temperature, an endothermic animal will _______. a. experience a drop in its body temperature b. wait to see if it goes lower c. increase muscle activity to generate heat d. add fur or fat to increase insulationarrow_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_forwardWhy do people need to eat more when it gets colder? All factors of life style stay the same year round. a.the body has to produce more heat to mantain its set point, which requires a lot of extra energy b. the body undergoes more anaerobic metabolism in the winter c. vasconstruction is impeding how much energy is getting to the cellsarrow_forward
- It’sa hot summer day, and you begin to sweat. What is the method of heat exchange?a.Conductionb.Convectionc.Evaporationd.Radiatione.None of the choices applyarrow_forwardWhich of the following is NOT a mechanism to maintain the body’s internal temperature? A. Fluid has a high capacity for heat, so it requires a great deal of energy to raise its temperature. B. Warmed fluids from the body’s surface return to the body’s core, thus heating the body. C. Fluid acts as a coolant by increasing the blood flow from the warm body core to the peripheral tissue, thus cooling the body. D. Fluid is evaporated as sweat from the skin’s surface, thus cooling the body.arrow_forwardTopic: Temperature Regulation and Osmotic Balance Choose the letter of the correct answer in each question. Options: A. Positive Feedback Loop B. Osmoregulation C. Homeostasis D. Feedback Mechanism E. Stimulus F. Negative Feedback Loop 1. A loop system where system responds to perturbation. 2. A type of loop system where it reduces or suppresses any excessive response keeping.arrow_forward
- Has limitations when it used on muscle tissue surrounded by fatty layer .A Microwave Diathermy .B EM Diathermy .C frequency of microwaves .D Microwave therapyarrow_forwardFigure (2) below, shows the relations between all factors that should be at minimat amount of body regulation to achieve thermal equilibrium, towards establishing the physiological basis of comfort. in the same Figure, symbol (B) represents: Celius 20 25 700 600 130 300 100 100 00 70 AMBIENT TEMPERATUREF 100 110 Figure (2) ORadiation O Convection OMetabolism Evaporation STUK BOOYLOSssor GAINarrow_forwardStimulation of the heat-loss center causes ________.a. blood vessels in the skin to constrictb. breathing to become slow and shallowc. sweat glands to increase their outputd. All of the abovearrow_forward
- Which of the following occurs in the legs of goose (bird) standing on a frozen pond? Group of answer choices A. Warm blood from the body flows toward the legs of the bird. B. Cool blood from the feet flows toward the body of the bird. C. Heat is transferred from warm blood to cooler blood, reducing loss of heat to the environment. D. A and C E. A, B, and Carrow_forwardwhich 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.arrow_forwardMatch the body temperature control item to the appropriate location in the negative feedback loop. Effector when variable is low Effector when variable is high Control center Sensor Controlled variable A. Muscles for shivering and goosebumps B. Nerves in skin C. Brain D. Sweat glands E. Temperaturearrow_forward
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What is Homeostasis? | Physiology | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=quQr6X1Q58I;License: CC-BY