CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY
11th Edition
ISBN: 9780134683461
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 51, Problem 51.1CR
How is migration based on circannual rhythms poorly suited for adaptation to global climate change?
Expert Solution & Answer
Summary Introduction
To determine: The way in which “the migration based on circannual rhythms is poorly suited for adaptation to global climate change”.
Introduction: Circannual rhythms are biological rhythms that span a period of one year. These rhythms are generated endogenously in the organisms like several migratory birds and others. These rhythms are regulated by seasonal changes in the length of the photoperiod.
Explanation of Solution
Generally, migration and reproduction is correlated with food availability. The circadian rhythms persist even in constant conditions such as constant darkness or constant light, indicating that these rhythms are endogenously regulated. Circannual rhythms help animals to anticipate the precise time for reproduction, migration, and others. This maximizes the survival of offspring and also ensures the protection of animals from extreme weather. However, the migration that dependent on circannual rhythm is poorly suited for adaptation to global climate change. This is because it can lead to migration of animals to the place before the arrival of favorable condition. This will lead to disruption of their internal biological clock. Over the time, the species can also become extinct.
Conclusion
Circannual rhythms are very essential to anticipate the precise timing for important events such as reproduction and migration. In this way, they enhance the survival of the animals.
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Chapter 51 Solutions
CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY
Ch. 51.1 - If an egg rolls out of the nest, a mother greylag...Ch. 51.1 - WHAT IF? Suppose you exposed various fish species...Ch. 51.1 - MAKE CONNECTIONS How is the lunar-linked rhythm...Ch. 51.2 - How might associative learning explain why...Ch. 51.2 - Prob. 2CCCh. 51.2 - Prob. 3CCCh. 51.3 - Why does the mode of fertilization correlate with...Ch. 51.3 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 51.3 - WHAT IF? Suppose an infection in a common...Ch. 51.4 - Prob. 1CC
Ch. 51.4 - Prob. 2CCCh. 51.4 - Prob. 3CCCh. 51 - How is migration based on circannual rhythms...Ch. 51 - Prob. 51.2CRCh. 51 - In some spider species, the female eats the male...Ch. 51 - Prob. 51.4CRCh. 51 - Prob. 1TYUCh. 51 - Prob. 2TYUCh. 51 - Female spotted sandpipers aggressively court males...Ch. 51 - Prob. 4TYUCh. 51 - Although many chimpanzees live in environments...Ch. 51 - Prob. 6TYUCh. 51 - Level 3: Synthesis/Evaluation 7. DRAW IT You are...Ch. 51 - EVOLUTION CONNECTION We often explain our behavior...Ch. 51 - SCIENTIFIC INQUIRY Scientists studying scrub jays...Ch. 51 - SCIENCE, TECHNOLOGY, AND SOCIETY Researchers are...Ch. 51 - WRITE ABOUT A THEME: INFORMATION Learning is...Ch. 51 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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