Mate Selection and Reproductive Strategies
Expert-defined terms from the Executive Certificate in Evolutionary Psychology course at UK School of Management. Free to read, free to share, paired with a globally recognised certification pathway.
Mate Selection and Reproductive Strategies Glossary #
1. Adaptation #
An adaptation refers to a trait or characteristic that has evolved in a p… #
These adaptations can be physical, behavioral, or physiological and are shaped by natural selection.
2. Altruism #
Altruism is a behavior that benefits others at a cost to oneself #
In the context of evolutionary psychology, altruistic behaviors may have evolved because they increase the chances of genetic relatives surviving and reproducing, ultimately passing on shared genes.
3. Anisogamy #
Anisogamy is a biological concept that refers to the differences in size… #
In most species, including humans, males produce small, mobile sperm, while females produce larger, less mobile eggs.
4. Assortative Mating #
Assortative mating is a mating pattern where individuals choose partners… #
This can lead to the reinforcement of specific traits within a population.
5. Attraction #
Attraction in the context of mate selection refers to the psychological a… #
Attraction can be based on physical appearance, personality traits, shared interests, or other factors.
6. Biological Preparedness #
Biological preparedness is the concept that humans and other animals are… #
This can influence mate selection and reproductive behaviors.
7. Cheater Detection #
Cheater detection refers to the cognitive mechanisms that humans and othe… #
This can help maintain cooperation and trust in social groups.
8. Costly Signaling #
Costly signaling is a concept that suggests that individuals can convey h… #
For example, investing time and resources into courtship can signal commitment and genetic fitness to potential mates.
9. Evolutionary Stable Strategy (ESS) #
An evolutionary stable strategy (ESS) is a behavioral strategy that, if a… #
ESSs are stable over time and resistant to change because they provide a competitive advantage in a given environment.
10. Good Genes Hypothesis #
The good genes hypothesis proposes that individuals choose mates based on… #
These traits may include physical attractiveness, intelligence, or health, as they are thought to be indicators of good genetic material.
11. Inclusive Fitness #
Inclusive fitness is a measure of an individual's reproductive success th… #
This concept helps explain altruistic behaviors that benefit kin.
12. Intersexual Selection #
Intersexual selection refers to the process by which individuals of one s… #
This type of selection is often driven by mate preferences and can lead to the evolution of elaborate courtship displays.
13. Intrasexual Selection #
Intrasexual selection occurs when members of one sex compete with each ot… #
This type of selection often results in the evolution of traits that enhance competitive success, such as physical size or aggression.
14. Mate Choice Copying #
Mate choice copying is a phenomenon in which individuals are more likely… #
This social learning process can influence mate selection decisions and lead to the spread of certain preferences within a population.
15. Parental Investment #
Parental investment refers to the time, energy, and resources that parent… #
In many species, females typically make a higher parental investment due to the production of eggs and gestation, while males may contribute more to competition for mates or protection.
16. Polyandry #
Polyandry is a mating system in which a female has multiple male partners… #
This behavior is relatively rare in mammals but can be found in certain species where females benefit from mating with multiple males for genetic diversity or parental care.
17. Polygamy #
Polygamy is a mating system in which individuals have multiple mating par… #
This term encompasses both polygyny, where a male has multiple female partners, and polyandry, where a female has multiple male partners. Polygamous mating systems can vary in structure and complexity.
18. Reproductive Strategies #
Reproductive strategies are the behaviors and tactics that individuals em… #
These strategies may include mate choice, courtship displays, parental care, and competition for mates. Different species exhibit a wide range of reproductive strategies adapted to their environments.
19. Runaway Sexual Selection #
Runaway sexual selection is a process in which a genetic correlation betw… #
This can result in the development of elaborate secondary sexual characteristics that are favored by mate choice.
20. Sexual Conflict #
Sexual conflict occurs when the reproductive interests of males and femal… #
This conflict can result in behaviors such as coercion, infanticide, or mate guarding as individuals seek to maximize their own reproductive success.
21. Sexual Selection #
Sexual selection is a type of natural selection that operates on traits r… #
This can include intrasexual competition for mates, intersexual choice of partners, and the evolution of secondary sexual characteristics. Sexual selection can lead to the development of exaggerated traits that enhance reproductive success.
22. Sperm Competition #
Sperm competition is a form of post #
copulatory sexual selection in which the sperm of two or more males compete to fertilize a female's eggs. This competition can influence the evolution of traits that increase a male's chances of fertilization success, such as sperm quantity or quality.
23. Strategic Pluralism #
Strategic pluralism is the concept that individuals may employ different… #
This flexibility allows individuals to adapt their behavior to maximize reproductive success in diverse situations.
24. Trivers #
Willard Hypothesis:
The Trivers #
Willard hypothesis posits that parents should invest more in offspring of the sex that offers the highest reproductive payoff in a given environment. This hypothesis predicts that parents may adjust their investment strategies based on the potential fitness benefits of producing sons versus daughters.
25. Mate Poaching #
Mate poaching refers to the act of trying to attract or pursue someone wh… #
This behavior can lead to competition and conflict between individuals seeking to secure the best possible mate for themselves.
26. Mating Strategies #
Mating strategies are the complex set of behaviors and tactics that indiv… #
These strategies can vary based on biological sex, reproductive goals, cultural norms, and personal preferences, leading to diverse mating patterns across populations.
27. Evolutionary Psychology #
Evolutionary psychology is a scientific approach that seeks to explain hu… #
This field explores how natural selection has shaped psychological mechanisms related to perception, cognition, emotion, social behavior, and mating strategies.
28. Parental Care #
Parental care refers to the behaviors and investments that parents make t… #
This can include providing food, protection, guidance, and social learning opportunities to help offspring develop and thrive.
29. Sexual Dimorphism #
Sexual dimorphism is the physical differences between males and females o… #
These differences can include size, coloration, ornamentation, or other traits that have evolved through sexual selection and serve reproductive or social functions.
30. Sexual Strategies Theory #
The sexual strategies theory proposes that men and women have evolved dif… #
These strategies are thought to be adaptive responses to the challenges of reproduction and survival in ancestral environments.
31. Mating Market #
Mating market refers to the social environment in which individuals seek… #
This market is influenced by factors such as physical attractiveness, social status, resources, personality traits, and cultural norms that shape mate preferences and choices.
32. Mate Value #
Mate value is a concept that reflects an individual's desirability as a r… #
Mate value can be influenced by physical attractiveness, intelligence, social skills, resources, personality traits, and other factors that are considered desirable in a mate.
33. Mate Guarding #
Mate guarding is a behavior in which individuals take steps to prevent th… #
This can include displays of possession, jealousy, monitoring behavior, or efforts to limit opportunities for infidelity.
34. Mate Retention Strategies #
Mate retention strategies are the tactics that individuals use to maintai… #
These strategies can include emotional manipulation, physical affection, sexual exclusivity, resource provision, and efforts to enhance partner satisfaction.
35. Mate Selection Criteria #
Mate selection criteria are the qualities, characteristics, and traits th… #
These criteria can vary widely between individuals and cultures but often include factors such as physical attractiveness, personality, intelligence, social status, and values.
36. Mate Value Discrepancy #
Mate value discrepancy occurs when individuals perceive themselves as hav… #
This can lead to feelings of insecurity, jealousy, or dissatisfaction in relationships if partners perceive a mismatch in mate value.
37. Female Intrasexual Competition #
Female intrasexual competition refers to the competition between women fo… #
This competition can involve tactics such as enhancing physical attractiveness, social status, wealth, or other qualities that are valued in potential partners.
38. Male Intrasexual Competition #
Male intrasexual competition refers to the competition between men for ac… #
This competition can involve behaviors such as displays of physical strength, aggression, dominance, resource acquisition, or other strategies that enhance male attractiveness to potential partners.
39. Mate Poaching Strategies #
Mate poaching strategies are the tactics that individuals use to attract… #
These strategies can involve deception, seduction, manipulation, or efforts to undermine existing relationships to secure a desired mate.
40. Self #
Presentation:
Self #
presentation is the process by which individuals strategically present themselves to others in order to create a favorable impression or achieve specific social goals. In the context of mate selection, self-presentation can involve highlighting attractive qualities, concealing flaws, or adapting behavior to attract potential partners.
41. Social Exchange Theory #
The social exchange theory posits that individuals evaluate relationships… #
In the context of mate selection, this theory suggests that people seek partners who offer desirable rewards while minimizing potential costs or risks.
42. Strategic Interference #
Strategic interference refers to the intentional efforts of individuals t… #
This can involve tactics such as spreading rumors, sabotaging relationships, or manipulating social dynamics to influence mate selection outcomes.
43. Strategic Mate Choice #
Strategic mate choice involves the deliberate selection of mates based on… #
Individuals may employ strategic mate choice to maximize genetic fitness, gain access to resources, enhance social status, or achieve other objectives that benefit their reproductive outcomes.
44. Trade #
Offs:
Trade #
offs refer to the compromises or sacrifices that individuals make when allocating limited resources to competing demands. In the context of mate selection and reproductive strategies, individuals may face trade-offs between investing in mate quality, parental care, self-maintenance, or other reproductive activities.
45. Ultimate (Evolutionary) Explanations #
Ultimate (evolutionary) explanations refer to the underlying evolutionary… #
These explanations focus on how behaviors have evolved over time to enhance survival and reproductive success, rather than immediate proximate causes or mechanisms.
46. Proximate Explanations #
Proximate explanations focus on the immediate causes or mechanisms that u… #
These explanations address how behaviors are triggered, regulated, or expressed in specific contexts without necessarily considering their evolutionary origins.
47. Life History Theory #
Life history theory is a framework that examines how organisms allocate l… #
This theory explores how individuals adapt their reproductive strategies in response to environmental conditions, resource availability, and life history trade-offs.
48. Sexual Conflict Resolution #
Sexual conflict resolution refers to the ways in which individuals negoti… #
This can involve mechanisms such as mate choice, cooperation, coercion, communication, or other strategies to resolve conflicts and maximize reproductive success.
49. Ecological Validity #
Ecological validity refers to the extent to which research findings or th… #
In the study of mate selection and reproductive strategies, ecological validity considers how behaviors observed in laboratory studies reflect actual mating dynamics in natural populations.
50. Mate Quality #
Mate quality refers to the overall desirability or fitness of a potential… #
Individuals may assess mate quality based on factors such as physical attractiveness, health, intelligence, personality, resources, and other qualities that influence reproductive success.
51. Reproductive Success #
Reproductive success is a measure of an individual's ability to pass on t… #
This can be influenced by factors such as mate choice, fertility, parental investment, offspring survival, and other reproductive outcomes that contribute to genetic fitness.
52. Mate Preferences #
Mate preferences are the characteristics, qualities, and traits that indi… #
These preferences can vary between individuals and cultures but often include factors related to physical appearance, personality, intelligence, and social status.
53. Parental Investment Theory #
The parental investment theory proposes that the sex that invests more in… #
This theory helps explain differences in mate preferences and mating strategies between males and females.
54. Mate Deprivation #
Mate deprivation refers to the negative psychological and physiological e… #
Individuals who experience prolonged mate deprivation may suffer from loneliness, stress, depression, or other health consequences related to social isolation and reproductive challenges.
55. Mate Competition #
Mate competition refers to the rivalry and conflict that can arise betwee… #
This competition may involve physical contests, displays of dominance, resource acquisition, courtship rituals, or other tactics aimed at outcompeting rivals for reproductive opportunities.
56. Mate Quality Assessment #
Mate quality assessment is the process by which individuals evaluate the… #
This assessment can involve direct observations, social interactions, communication, and other cues that inform mate selection decisions.
57. Mate Retention Tactics #
Mate retention tactics are the strategies that individuals use to maintai… #
These tactics can include emotional manipulation, physical affection, sexual exclusivity, resource provision, surveillance, or efforts to enhance relationship satisfaction and stability.
58. Parental Care Trade #
Offs:
Parental care trade #
offs refer to the decisions that parents must make when allocating limited resources to offspring care versus other reproductive activities. Parents may face trade-offs between investing in current offspring, future reproduction, self-maintenance, or other fitness-enhancing behaviors that impact reproductive success.
59. Reproductive Value #
Reproductive value is a concept that reflects an individual's potential c… #
Reproductive value is influenced by factors such as age, health, fertility, mate quality, parental investment, and other traits that affect an individual's genetic fitness and reproductive success.
60. Sexual Coercion #
Sexual coercion refers to the use of force, manipulation, or deception to… #
This behavior violates social norms and can have negative consequences for victims, perpetrators, and relationships, undermining trust, autonomy, and well-being.
61. Sexual Strategies Inventory (SSI) #
The sexual strategies inventory (SSI) is a self #
report questionnaire that assesses individual differences in mating strategies, preferences, and behaviors. The SSI measures dimensions such as short-term versus long-term mating orientation, mate seeking, mate retention, and attitudes towards casual sex.
62. Social Norms #
Mate Selection and Reproductive Strategies #
Mate Selection and Reproductive Strategies
Mate Selection #
Mate Selection
Mate selection, also known as mate choice or intersexual selection, is a crucial… #
This process involves assessing potential partners based on various traits, such as physical attractiveness, intelligence, personality, resources, and genetic compatibility. Mate selection plays a significant role in evolutionary processes as individuals seek to maximize their reproductive success by selecting mates with desirable traits that can enhance the survival and reproductive potential of their offspring.
Reproductive Strategies #
Reproductive Strategies
Reproductive strategies encompass the diverse behaviors and tactics that organis… #
In evolutionary psychology, reproductive strategies are shaped by natural selection and are influenced by various factors, including resource availability, environmental conditions, and social dynamics. Different species exhibit a range of reproductive strategies, such as monogamy, polygamy, promiscuity, and mate guarding, each tailored to optimize the transmission of genes to future generations.
Altruism #
Altruism
Altruism is a behavior in which an individual incurs a cost to benefit another i… #
In the context of mate selection and reproductive strategies, altruism can play a role in enhancing an individual's attractiveness to potential mates by signaling traits such as kindness, generosity, and cooperation. Altruistic behaviors may confer indirect benefits by increasing the likelihood of successful mate selection and forming long-term relationships that support reproductive success.
Anisogamy #
Anisogamy
Anisogamy is a fundamental concept in evolutionary biology that refers to the di… #
In most species, including humans, males typically produce small, mobile gametes (sperm), while females produce larger, nutrient-rich gametes (eggs). Anisogamy influences mate selection and reproductive strategies by shaping the dynamics of sexual competition, parental investment, and mating preferences based on the relative costs and benefits associated with producing and caring for offspring.
Assortative Mating #
Assortative Mating
Assortative mating is a mating pattern in which individuals choose partners with… #
This phenomenon can occur based on various factors, such as physical appearance, intelligence, personality, social status, or genetic relatedness. Assortative mating can influence the genetic composition of populations, leading to the clustering of certain traits and the evolution of specific phenotypes over time. In the context of mate selection and reproductive strategies, assortative mating may enhance the compatibility and reproductive success of individuals with shared traits.
Courtship #
Courtship
Courtship is a behavioral display or ritualized sequence of actions that individ… #
Courtship behaviors vary across species and can involve elaborate displays of physical prowess, vocalizations, grooming, gift-giving, or other forms of communication. In the context of mate selection and reproductive strategies, courtship serves as a mechanism for individuals to signal their quality, health, and genetic fitness to potential mates, thereby increasing the likelihood of successful mating and reproductive success.
Direct Benefits #
Direct Benefits
Direct benefits refer to tangible resources or advantages that individuals provi… #
Direct benefits can include food, protection, shelter, access to resources, parental care, or assistance in raising offspring. In the context of mate selection and reproductive strategies, direct benefits play a critical role in shaping mating preferences and relationship dynamics, as individuals seek partners who can offer immediate advantages that enhance their own survival and reproductive success.
Evolutionary Stable Strategy (ESS) #
Evolutionary Stable Strategy (ESS)
An evolutionary stable strategy (ESS) is a behavioral strategy or trait that, on… #
ESSs are favored by natural selection because they confer a fitness advantage over competing strategies and are stable in the face of genetic variation or environmental change. In the context of mate selection and reproductive strategies, individuals may adopt ESSs that maximize their reproductive success by balancing the costs and benefits of different mating tactics, such as monogamy, polygamy, or mate guarding.
Fitness #
Fitness
Fitness is a central concept in evolutionary biology that refers to an individua… #
Fitness is determined by an individual's survival, mating success, and the number of offspring that survive to reproduce. In the context of mate selection and reproductive strategies, fitness plays a crucial role in shaping mating preferences, reproductive behaviors, and the evolution of traits that enhance an individual's chances of reproductive success and genetic transmission.
Good Genes Hypothesis #
Good Genes Hypothesis
The good genes hypothesis proposes that individuals choose mates based on traits… #
In the context of mate selection and reproductive strategies, the good genes hypothesis suggests that individuals prefer partners with attractive or desirable traits that signal genetic fitness, such as physical symmetry, health, intelligence, or fertility. By selecting mates with good genes, individuals aim to increase the genetic quality and viability of their offspring, thereby enhancing their reproductive success.
Imprinting #
Imprinting
Imprinting is a form of learning in which an organism develops a strong attachme… #
Imprinting plays a crucial role in mate selection and reproductive strategies by shaping individuals' preferences for certain traits, characteristics, or behaviors in potential mates. Imprinting can influence mating choices based on early experiences, social interactions, or genetic predispositions, leading to the formation of lasting pair bonds and reproductive relationships.
Inclusive Fitness #
Inclusive Fitness
Inclusive fitness is a concept in evolutionary biology that extends the traditio… #
Inclusive fitness theory emphasizes the importance of genetic relatedness in shaping social behaviors, cooperation, and altruistic acts that benefit kin and increase the overall transmission of shared genes. In the context of mate selection and reproductive strategies, inclusive fitness may influence mating decisions and parental investment based on the genetic relatedness of potential mates and offspring.
Indirect Benefits #
Indirect Benefits
Indirect benefits refer to genetic advantages or enhancements to an individual's… #
Indirect benefits can include increased genetic diversity, resistance to disease, improved offspring viability, or enhanced competitive abilities. In the context of mate selection and reproductive strategies, individuals may seek partners who offer indirect benefits that enhance their own reproductive success by increasing the fitness and survival prospects of their offspring.
Intersexual Selection #
Intersexual Selection
Intersexual selection, also known as mate choice, is a form of sexual selection… #
Intersexual selection can lead to the evolution of exaggerated traits or elaborate displays that enhance an individual's attractiveness and mating success. In the context of mate selection and reproductive strategies, intersexual selection shapes mating preferences, courtship behaviors, and the evolution of secondary sexual characteristics that signal genetic quality and reproductive fitness.
Intrasexual Selection #
Intrasexual Selection
Intrasexual selection is a form of sexual selection in which individuals of one… #
Intrasexual selection can involve physical combat, displays of dominance, or other competitive behaviors that help individuals secure mating opportunities and reproductive success. In the context of mate selection and reproductive strategies, intrasexual selection drives the evolution of traits related to aggression, size, strength, or social status that confer advantages in mate competition and sexual conflict.
Parental Investment #
Parental Investment
Parental investment refers to the resources, time, and effort that parents alloc… #
Parental investment can take various forms, such as providing food, protection, shelter, guidance, or emotional support. In the context of mate selection and reproductive strategies, parental investment influences mating decisions, pair bonding, and the allocation of resources to offspring based on the costs and benefits of parenting behaviors that enhance the fitness and viability of offspring.
Parental Offspring Conflict #
Parental Offspring Conflict
Parental #
offspring conflict is a concept in evolutionary biology that refers to the conflicting interests and goals of parents and offspring in maximizing reproductive success. Parental-offspring conflict arises from the asymmetry of genetic relatedness between parents and offspring, leading to conflicts over resource allocation, care, and investment in offspring. In the context of mate selection and reproductive strategies, parental-offspring conflict can shape mating decisions, parental behaviors, and reproductive outcomes based on the competing needs and strategies of parents and offspring to maximize their own fitness.
Resource Holding Potential (RHP) #
Resource Holding Potential (RHP)
Resource holding potential (RHP) is a concept in behavioral ecology that refers… #
RHP influences competitive interactions, mate choice, and mating strategies by determining an individual's likelihood of winning contests, securing mates, or achieving reproductive success. In the context of mate selection and reproductive strategies, individuals may assess potential partners' RHP to gauge their genetic quality, dominance, or ability to provide resources that enhance their own reproductive success.
Sociosexual Orientation #
Sociosexual Orientation
Sociosexual orientation is a psychological construct that reflects individual di… #
Sociosexual orientation can range from restricted (low) to unrestricted (high), indicating varying levels of desire for casual sex, multiple partners, or long-term commitments. In the context of mate selection and reproductive strategies, sociosexual orientation influences mating preferences, relationship dynamics, and reproductive outcomes by shaping individuals' willingness to engage in short-term or long-term mating strategies based on their sociosexual orientation.
Sexual Conflict #
Sexual Conflict
Sexual conflict refers to the evolutionary struggle between males and females ov… #
Sexual conflict arises from the divergent reproductive interests of males and females, leading to conflicts over mate choice, parental care, and resource allocation. In the context of mate selection and reproductive strategies, sexual conflict can drive the evolution of traits related to sexual coercion, mate guarding, infanticide, or other strategies that maximize an individual's reproductive success at the expense of their partner's reproductive interests.
Sexual Selection #
Sexual Selection
Sexy Son Hypothesis #
Sexy Son Hypothesis
The sexy son hypothesis proposes that females choose mates based on traits that… #
The hypothesis suggests that females prefer mates with traits that are sexually selected and desirable to females, as these traits are likely to be passed on to their sons, increasing their chances of mating success. In the context of mate selection and reproductive strategies, the sexy son hypothesis highlights the role of indirect benefits and genetic quality in shaping mating preferences and reproductive decisions that maximize the fitness and viability of offspring.
Trade #
offs
Trade #
offs refer to the compromises or sacrifices individuals make when allocating resources or energy to competing demands, such as survival, growth, reproduction, or parental care. Trade-offs are inherent in mate selection and reproductive strategies, as individuals must balance the costs and benefits of different mating tactics, parental investments, and survival strategies to maximize their reproductive success. Trade-offs can involve conflicts between short-term and long-term goals, immediate gains and future benefits, or individual and group interests that influence mating decisions, reproductive behaviors, and evolutionary outcomes.
Ultimate Causes #
Ultimate Causes
Ultimate causes are the evolutionary explanations or adaptive functions that und… #
Ultimate causes focus on the selective pressures, genetic advantages, and fitness benefits that drive the evolution of specific traits or adaptations in response to environmental challenges or reproductive opportunities. In the context of mate selection and reproductive strategies, ultimate causes shape mating preferences, courtship behaviors, and reproductive outcomes by promoting traits that enhance an individual's reproductive success and genetic transmission in the long term.
Veblenian Beauty #
Veblenian Beauty
Veblenian beauty refers to the concept of conspicuous consumption and social sta… #
In the context of mate selection and reproductive strategies, Veblenian beauty theory suggests that individuals use costly signals, such as elaborate courtship displays, expensive gifts, or extravagant behaviors, to attract mates and enhance their social desirability. Veblenian beauty reflects the role of status, resources, and social power in shaping mating preferences and reproductive strategies by signaling genetic quality, social dominance, or access to valuable resources that increase an individual's attractiveness and reproductive success.
Wahlund Effect #
Wahlund Effect
The Wahlund effect is a genetic phenomenon that occurs when a population is subd… #
The Wahlund effect can result from factors such as migration, isolation, or assortative mating that limit gene flow between subpopulations. In the context of mate selection and reproductive strategies, the Wahlund effect can influence mating patterns, genetic relatedness, and the distribution of traits within and between populations, shaping evolutionary processes and reproductive outcomes based on the genetic structure of the population.