1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 53, Problem 8U
Summary Introduction
Introduction:
Extra-pair copulations are mating behavior seen in species which is usually monogamous to improve the reproductive fitness. In some birds, a male mate with one female only and is involved in the rearing of offspring’s. Extra-pair copulation occurs when one of these male or female mates outside this pairing.
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Sexual reproduction in unpredictable environments provide immediate benefits to individuals including the following except --
A. There are more opportunites for offspring to specialize in different niches in an environment.
B. The chance that the offspring of sexual ndividuals will be well-matched to their environment increases.
C. Bet-hedging strategies are involved for increasing offspring fitness.
D. Reduction of competition for resources among genetically related offspring.
The twofold cost of sex model by John Mynard Smith explains how -
A. asexual females can become predominant in a population.
B. anisogamy results in sexual reproduction.
C. sexual individuals can produce genetically variant offspring.
D. asexual females invest as much in offspring as the sexual females.
In Biology of Beauty, Cowley found that contemporaryfemales are attracted to males with broad foreheads and strong chins, and that this effect persisted across different cultures. How did Cowley explain this result?
A. This is a trick question- this attraction is culturally relative
B. Males compete for access to females by developing these features as a form of male-male competition
C. There is no evidence that females really are differentially attracted to males with these features
D. Attraction to males with these features is adaptive for females because males with these traits are usually sexually mature and have healthy immune systems
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Chapter 53 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 53.1 - Prob. 1LOCh. 53.1 - Prob. 2LOCh. 53.1 - Prob. 3LOCh. 53.2 - Prob. 1LOCh. 53.2 - Prob. 2LOCh. 53.3 - Prob. 1LOCh. 53.3 - Prob. 2LOCh. 53.3 - Prob. 3LOCh. 53.4 - Prob. 1LOCh. 53.4 - Prob. 2LO
Ch. 53.4 - Prob. 3LOCh. 53.5 - Prob. 1LOCh. 53.5 - Prob. 2LOCh. 53.5 - Prob. 3LOCh. 53.6 - Prob. 1LOCh. 53.7 - Define migration.Ch. 53.7 - Prob. 2LOCh. 53.7 - Prob. 3LOCh. 53.8 - Prob. 1LOCh. 53.8 - Prob. 2LOCh. 53.8 - Prob. 3LOCh. 53.9 - Prob. 1LOCh. 53.9 - Prob. 2LOCh. 53.10 - Prob. 1LOCh. 53.10 - Prob. 2LOCh. 53.11 - Prob. 1LOCh. 53.11 - Prob. 2LOCh. 53.11 - Prob. 3LOCh. 53.12 - Prob. 1LOCh. 53.12 - Prob. 2LOCh. 53.12 - Prob. 3LOCh. 53.13 - Prob. 1LOCh. 53.13 - Prob. 2LOCh. 53.13 - Prob. 3LOCh. 53 - Prob. 1DACh. 53 - Prob. 2DACh. 53 - Prob. 3DACh. 53 - Prob. 4DACh. 53 - Prob. 5DACh. 53 - Prob. 1IQCh. 53 - Prob. 2IQCh. 53 - Prob. 3IQCh. 53 - What factors might be responsible for the slight...Ch. 53 - Prob. 1UCh. 53 - Prob. 2UCh. 53 - The study of song development in sparrows showed...Ch. 53 - Prob. 4UCh. 53 - Prob. 5UCh. 53 - Prob. 6UCh. 53 - Prob. 7UCh. 53 - Prob. 8UCh. 53 - In the haplodiploidy system of sex determination,...Ch. 53 - Prob. 10UCh. 53 - Prob. 11UCh. 53 - Prob. 1ACh. 53 - Refer to figure 54.25. Six pairs of birds were...Ch. 53 - Prob. 3ACh. 53 - Prob. 1SCh. 53 - Behavioral genetics has made great advances from...Ch. 53 - If a female bird chooses to live in the territory...
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