INTERSPECIFIC AGGRESSION CAUSES NEGATIVE SELECTION ON SEXUAL CHARACTERS

Selection on multiple characters

So far we’ve studied only the evolution of a single trait, e.g., height or weight. But organisms have many traits, and they evolve at the same time. How can we understand their simultaneous evolution? The basic framework of the quantitative genetic approach was first outlined by Russ Lande and Steve Arnold [2]. Let z1, z2, . . . , zn be the phenotype of each character that we are studying. We’l...

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Selection on multiple characters

So far we’ve studied only the evolution of a single trait, e.g., height or weight. But organisms have many traits, and they evolve at the same time. How can we understand their simultaneous evolution? The basic framework of the quantitative genetic approach was first outlined by Russ Lande and Steve Arnold [2]. Let z1, z2, . . . , zn be the phenotype of each character that we are studying. We’l...

متن کامل

Selection on multiple characters

So far we’ve studied only the evolution of a single trait, e.g., height or weight. But organisms have many traits, and they evolve at the same time. How can we understand their simultaneous evolution? The basic framework of the quantitative genetic approach was first outlined by Russ Lande and Steve Arnold [2]. Let z1, z2, . . . , zn be the phenotype of each character that we are studying. We’l...

متن کامل

Selection on multiple characters

So far we’ve studied only the evolution of a single trait, e.g., height or weight. But organisms have many traits, and they evolve at the same time. How can we understand their simultaneous evolution? The basic framework of the quantitative genetic approach was first outlined by Russ Lande and Steve Arnold [2]. Let z1, z2, . . . , zn be the phenotype of each character that we are studying. We’l...

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Evolutionary aspects of aggression the importance of sexual selection.

Aggressive behaviors in animals, for example, threat, attack, and defense, are commonly related to competition over resources, competition over mating opportunities, or fights for survival. In this chapter, we focus on aggressive competition over mating opportunities, since this competition explains much of the distribution of weaponry and large body size, but also because this type of competit...

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INTERSPECIFIC AGGRESSION CAUSES NEGATIVE SELECTION ON SEXUAL CHARACTERS

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Selection on multiple characters

Selection on multiple characters

Selection on multiple characters

Selection on multiple characters

Evolutionary aspects of aggression the importance of sexual selection.

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