Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 15, Problem 7RQ
What is sexual selection? How is sexual selection similar to and different from other forms of natural selection?
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What is the difference between natural selection and sexual selection?
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Chapter 15 Solutions
Biology: Life on Earth
Ch. 15 - The ________ provides a simple mathematical model...Ch. 15 - 2. Different versions of the same gene are called...Ch. 15 - An organism's ________ refers to the specific...Ch. 15 - 4. A random form of evolution is called _________....Ch. 15 - Competition is most intense between members of...Ch. 15 - 6. The evolutionary fitness of an organism is...Ch. 15 - 1. What is a gene pool? How would you determine...Ch. 15 - 2. Define equilibrium population. Outline the...Ch. 15 - How does population size affect the likelihood of...Ch. 15 - If you measured the allele frequencies of a gene...
Ch. 15 - 5. People like to say that “you can’t prove a...Ch. 15 - 6. Describe the three ways in which natural...Ch. 15 - What is sexual selection? How is sexual selection...Ch. 15 - In North America, the average height of adult...Ch. 15 - Malaria is rare in North America. In populations...Ch. 15 - By the 1940s, the whooping crane population had...Ch. 15 - Prob. 4ACCh. 15 - A preview question for Chapter 16: A species is...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is disruptive selection ?arrow_forwardIn what way is artificial selection different from natural selection?arrow_forwardDarwin proposed natural selection as a mechanism for evolution. How is it similar to artificialselection? How is it different? For natural selection to work, there must be genetic variation within a population as well asmutations? Why must there be both?What is the difference between natural selection and sexual selection?arrow_forward
- How does natural selection “work”, and what are the necessary pre-conditions for natural selection to occur?arrow_forwardWhat is the principle of natural selection?arrow_forwardNatural selection and artificial selection or selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. Changes in genetic traits have occurred over generations through both natural selection and selective breeding although the occur through different means. What characterizes only artificial selection? Choose all that apply. A) chickens that lay larger eggs are favored B) selection increases the chances of surviving C) selection make a species stronger and fit for survival D) selection favors the desired characters in the new organismsarrow_forward
- Sexual selection tends to cause bigger size,more elaborate weaponry, or brighter colors in males. Is this an example of stabilizing,directional, or disruptive selection?arrow_forwardConsider the four postulates of natural selection. How have humans manipulated each of these postulates in natural or artificial systems?arrow_forwardIs natural selection working mainly in the phenotype or the genotype? Are the individuals or the population evolving?arrow_forward
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