lecture 11 quiz- soical behavior

<p>Females invest more in offspring, making them a limiting resource for males.</p> Signup and view all the answers

<p>Anisogamy leads to females optimizing offspring quality and males optimizing offspring quantity.</p> Signup and view all the answers

<p>It leads to stronger sexual selection on females compared to males.</p> Signup and view all the answers

<p>Females</p> Signup and view all the answers

<p>Mating opportunities</p> Signup and view all the answers

<p>Female gametes (eggs) are larger than male gametes (sperm).</p> Signup and view all the answers

<p>Females have a very high required parental investment.</p> Signup and view all the answers

<p>Polyandry</p> Signup and view all the answers

<p>Males are fertile throughout life, and their potential offspring is limited by the number of female partners.</p> Signup and view all the answers

<p>Mate choice initially evolved to select for traits that confer a survival advantage, but later led to a preference for extravagant traits.</p> Signup and view all the answers

<p>Extravagant traits are costly to develop and maintain, serving as honest signals of genetic quality, and only males in good condition can fully develop and maintain such ornaments.</p> Signup and view all the answers

<p>Over time, offspring are more likely to possess the physical trait and preference for it, leading to extreme sexual dimorphism.</p> Signup and view all the answers

<p>Reproductive success can be achieved through the development of costly traits, but these traits may also incur costs such as flight deficiencies or vulnerability to predators.</p> Signup and view all the answers

<p>Sons inherit traits that make them sexually attractive, while daughters inherit the majority of mate preferences.</p> Signup and view all the answers

<p>The text does not discuss the concept of anisogamy or how it relates to reproductive success and sex roles.</p> Signup and view all the answers

<p>Handicaps serve as indicators of heritable viability and good genes.</p> Signup and view all the answers

<p>Large body size</p> Signup and view all the answers

<p>Males have smaller gametes and invest less energy in reproduction.</p> Signup and view all the answers

<p>Handicaps may reduce the overall fitness of the population.</p> Signup and view all the answers

<p>A bright plumage pattern in a bird species</p> Signup and view all the answers

<p>Females invest more energy in gamete production than males.</p> Signup and view all the answers

<p>A single female copulates with multiple males during a breeding season, and they cooperate to raise the offspring.</p> Signup and view all the answers

<p>Sexual selection</p> Signup and view all the answers

<p>Larger females are favored, reflecting fecundity selection.</p> Signup and view all the answers

<p>Females choose mates based on certain traits, driving sexual selection.</p> Signup and view all the answers

<p>Ornaments are traits or features that often correlate with health and vitality, which females may prioritize when selecting mates.</p> Signup and view all the answers

<p>Tusks are found in both male and female walruses, with males typically having longer and wider tusks.</p> Signup and view all the answers