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 28RQ
Which of the following is not a way that ectotherms can change their body temperatures?
- Sweating for evaporative cooling
- Adjusting the timing of their daily activities
- Seek out or avoid direct sunlight
- Huddle in a group.
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Which 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.
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.
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...
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- In______, physical and chemical aspects of the body are being kept within tolerable ranges by body are being kept within tolerable ranges by controlling mechanisms. a. Positive feedback b. Negative feedback c. Homeostasis d. metastasisarrow_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_forwardFrom the list of strategies for dealing with harsh cold environments, choose those that an ectotherm would employ: -Supercooling -Freeze tolerance -Dormant eggs -Hibernation -Torpor Choose all that apply. Thank youarrow_forward
- Which of the following would help increase an endotherm's body temperature? Select ALL that apply. shivering blood vessels narrowing sweating blood vessels wideningarrow_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_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_forward
- 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.arrow_forwardAn example of an ectothermic organism that has few or no behavioral options when it comes to its ability to adjust its body temperature is a _____. bass living in a farm pond honeybee in a hive on a rural farm hummingbird flying through a prairie sea star living deep in the ocea please helparrow_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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