Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 33, Problem 10RQ
How could the increasing global temperature associated with climate change impact ectotherms?
- Ectotherm diversity will decrease in cool regions
- Ectotherms will be able to be active all day in the tropics
- Ectotherms will have to expend more energy to cool their body temperatures
- Ectotherms will be able to expand into new habitats.
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Students have asked these similar questions
What is the trade-off of ectotherms with regard to maintaining an internal environment that doesn’t vary much?
Ectotherms are larger than endotherms because they need to have a larger surface area to volume ratio in order to either increase or lower their temperature.
Ectotherms usually have fur in order to conserve heat when they live in very cold environments.
Ectotherms are smaller than endotherms because they need more surface area to dissipate heat relative to their insides.
Ectotherms can survive in a wider variety of habitats because they are smaller and can behaviorally adapt to a wide variety of temperatures.
Ectotherms
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 endotherms
Which 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.
Chapter 33 Solutions
Biology 2e
Ch. 33 - Figure 33.11 Which of the following statements...Ch. 33 - Figure 33.21 State whether each of the following...Ch. 33 - Figure 33.23 When bacteria are destroyed by...Ch. 33 - Which type of animal maintains a constant internal...Ch. 33 - The symmetry found in animals that move swiftly is...Ch. 33 - What term describes the condition of a desert...Ch. 33 - A plane that divides an animal into equal right...Ch. 33 - A plane that divides an animal into dorsal and...Ch. 33 - The pleural cavity is a part of which cavity?...Ch. 33 - How could the increasing global temperature...
Ch. 33 - Although most animals are bilaterally symmetrical,...Ch. 33 - Which type of epithelial cell is best adapted to...Ch. 33 - Which type of epithelial cell is found in glands?...Ch. 33 - Which type of epithelial cell is found in the...Ch. 33 - Which type of connective tissue has the most...Ch. 33 - Which type of connective tissue has a mineralized...Ch. 33 - The cell found in bone that breaks it down is...Ch. 33 - The cell found in bone that makes the bone is...Ch. 33 - Plasma is the. fibers in blood matrix of blood...Ch. 33 - The type of muscle cell under voluntary control is...Ch. 33 - The part of a neuron that contains the nucleus is...Ch. 33 - Why are intercalated discs essential to the...Ch. 33 - When faced with a sudden drop in environmental...Ch. 33 - Which is an example of negative feedback? lowering...Ch. 33 - Which method of heat exchange occurs during direct...Ch. 33 - The body’s thermostat is located in the...Ch. 33 - Which of the following is not true about...Ch. 33 - Which of the following is not a way that...Ch. 33 - How does diffusion limit the size of an organism?...Ch. 33 - What is the relationship between BMR and body...Ch. 33 - Explain how using an open circulatory system...Ch. 33 - Describe one key environmental constraint for...Ch. 33 - How can squamous epithelia both facilitate...Ch. 33 - What are the similarities between cartilage and...Ch. 33 - Multiple sclerosis is a debilitating autoimmune...Ch. 33 - When a person leads a sedentary life his skeletal...Ch. 33 - Why are negative feedback loops used to control...Ch. 33 - Why is a fever a “good thing” during a bacterial...Ch. 33 - How is a condition such as diabetes a good example...Ch. 33 - On a molecular level, how can endotherms produce...
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- how do ectotherms adjust body temperature. what are some costs and benefits of ecothermey.arrow_forwardWhich of the following is not a way that ectotherms can change their body temperatures? a. Sweating for evaporative cooling. b. Adjusting the timing of their daily activities. c. Seek out or avoid direct sunlight. d. Huddle in a group.arrow_forwardAnimals must maintain temperature and water balance. The state of maintaining a constant or regular internal environment is called: an adaptation. homeostasis. a trade-off. acclimitization.arrow_forward
- Which of these is a result of homeostasis?a. Muscular tissue is specialized to contract.b. Normal body temperature is always about 37°C.c. There are more red blood cells than white blood cells.d. Receptors in the eyes detect light.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_forwardAs body size increases in animals, there is greater variability in metabolic rate. it becomes more difficult to conserve body warmth in cold environments. migration to tropical areas becomes necessary for thermoregulation. there is a decrease in the surface-to-volume ratio. reproduction becomes limited to terrestrial environments.arrow_forward
- What is the role of blood vessels to control body temperature? * Blood vessels regulate the flow of oxygen in the blood to prevent hypoxia Blood vessels supplying the skin will widen or narrow. Blood vessels will become more elastic to allow a surge of blood and oxygen to the brain. Blood vessels move through the skin to supply enough warmth. No answerarrow_forwardskin has many important functions. Which of the following is excretory in nature? * It acts as a barrier preventing the entry of disease-causing microorganisms into the body. It is the site of sweating which helps remove heat from the body It produces sweat which contains excess water, salts, and small amounts of urea. No answer It has receptors specialized to detect touch, pressure, heat, cold, vibration, and pain.arrow_forwardEndothermy is a characteristic of most animals found in tropical zones. is seen only in insects and in certain predatory fishes. is a characteristic of animals that have a fairly constant body temperature. is a term equivalent to cold-blooded. is a characteristic of mammals but not of birds.arrow_forward
- Which of the followings is not a function of epithelial cells? (LO-A2) Secretion Excretion Absorption Protection Signalingarrow_forwardAnimals that exhibit endothermy usually: Group of answer choices A. can consume less food per unit of body mass than ectotherms, for survival. B. can be active across a wider range of environmental temperatures than ectotherms. C. spend a greater proportion of their energy budget than ectotherms on growth and reproduction. D. A and B E. A, B, and Carrow_forwardWhich of the following is an example of a positive feedback loop? Regulation of Calcium levels in the blood Regulation of water balance Regulation of blood sugar Regulation of blood clottingarrow_forward
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