Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
6th Edition
ISBN: 9780134794679
Author: BELK
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 2AAATB
Nerve impulses travel more quickly at warmer temperatures and down axons that are larger in diameter. What would you predict about the axons of squid that make their home in the coldest depths of an ocean?
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Describe the nervous system of Meerkats, vampire squid and black drongo, and how their communication along and between the neurons.
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Chapter 24 Solutions
Biology: Science For Life With Physiology Plus Mastering Biology With Pearson Etext -- Access Card Package (6th Edition) (what's New In Biology)
Ch. 24 - Prob. 1LTBCh. 24 - How do sensory, motor, and interneurons differ?Ch. 24 - What are the general senses?Ch. 24 - Which brain structure controls language, memory,...Ch. 24 - Prob. 5LTBCh. 24 - Prob. 6LTBCh. 24 - Prob. 7LTBCh. 24 - Neurotransmitters. ___________. are electrical...Ch. 24 - The effects of a neurotransmitter could be...Ch. 24 - Prob. 10LTB
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- Describe Which animal species would have the longest axons?arrow_forwardWhich of the following physiological systems has undergone selection in cockroaches in response to poison traps placed by humans? a. Tactile sensory neurons to sense human movement b. Visual systems to detect bait traps c. Digestion of glucose in the stomach d. Taste and sensory neuronsarrow_forwardSpeculate about the selective advantage of radial symmetry and a diffuse nerve net for sessile and free-floating animals such as sea anemones and jellyfisharrow_forward
- Write a Worm neuronal function assay paragraph about a worm neuronal function and find an experiment that could test why the worm may have this worm neuronal function. Such as a worm spiraling. One robust assay of worm behavior is…. “Finish the sentence” and find an experiment that could determine why the worm behavior is this way.arrow_forwardMany neurotoxins have been used extensively in physiological studies of neurons. When comparing tetrodotoxin found in puffer fish and batrachotoxins from poison dart-frogs, the former had no effect on a neurons resting potential but completely stopped its action potential, whereas the later toxin immediately initiates depolarization of a neuron but prevents repolarization. Can your group hypothesize how these toxins affect the nerve transmission differently?arrow_forwardThe first phylum with ganglia in their nervous system are the (Mollusca/Nematoda/Bivalvia/Platyhelminthes)?arrow_forward
- After a leg injury, pain makes a person avoid putting too much weight on the affected leg. Shielding the injury gives it time to heal. An injured insect shows no such shielding response. Some have cited lack of such a response as evidence that insects do not feel pain. But insects do produce substances similar to our natural pain killers. Is the presence of these compounds in insects sufficient evidence to conclude that they feel pain?arrow_forwardDescribe the cnidarian (radiate) nervous system. How is a tendency toward centralization of the nervous system manifested in flatworms, annelids, molluscs, and arthropods?arrow_forwardDescribe the location of the nerve cord in arthropods. (Think of the crayfish.)arrow_forward
- Suppose that an arthropod such as a locust or crayfish hasabout 105neurons, a fish 108, and a rat 1010. Is the behaviorof the fish 1000 times more complicated than that of thearthropod? Why or why not? What does the difference innumber of neurons suggest about how these different animalsgenerate patterns of behavior?arrow_forwardWhat would be the advantage to a wolf in having its sympathetic nervous system stimulate the piloerector muscles? What happens in a human when the sympathetic system stimulates these muscles?arrow_forwardGlial cells far outnumber neurons and contribute roughly half the weight of the mammalian nervous system. What functions do glial cells perform in the peripheral nervous system and in the central ner-vous system?arrow_forward
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