PPT-Sexual Development in Males and Females

Only copy terms and sentences that are all capitalized Typical Physical Changes in Male Hormone production Muscular development Nocturnal emissions Body hair body odor Larger genitals Deeper voice. 45 7824 6374 03 PUNJAB 07 Ludhiana M Corp City 1613878 874773 739105 173021 92492 80529 1230218 691161 539057 845 871 8538 8835 8185 03 PUNJAB 15 Amritsar UA UA 1183705 630114 553591 115368 63238 52130 904190 495804 408386 879 824 8464 8746 8144 04 C Evolutionary Mechanisms. Genetic Drift . Migration. Mutations. Natural Selection. Non-adaptive. Adaptive. Natural. . . Selection. (1) Sexual Selection. (2) Constraints on Natural Selection. Pleiotropy. Emily Berry and Morghen Philippi. Definition of Sex. What is the definition of sex?. Definition of Sex. Merriam-Webster: the sum of the structural, functional, and behavioral characteristics of organisms that are involved in reproduction marked by the union of gametes and that distinguish males and females. Laksmis Cornejo, Sara Nishikawa, Shannon Oki. Emlen, S.T., Oring, L.W. (1977). Ecology, Sexual Selection, and the Evolution of Mating Systems. Science, 197, 215-223. Hypotheses. Certain ecological . factors determine the degree to which mates can . Evolutionary Mechanisms. Genetic Drift . Migration. Mutations. Natural Selection. Non-adaptive. Adaptive. Natural. . . Selection. (1) Sexual Selection. (2) Constraints on Natural Selection. Pleiotropy. sexual investment. CfE. . Advanced Higher Biology. Unit . 2: . Organisms and Evolution. SQA mandatory key areas. Comparison of investment in sperm and egg production – number and energy store; greater investment by females. Problems and solutions of sex for sessile organisms. . 4/10/14. What Motivates Us: Sex. Sex. People say sex is their favorite activity. They rate it higher than sports, hugging and kissing, eating, going on trips, shopping, . etc. The average American devotes 4 minutes and 3 seconds to sex (per day). SEXUAL SELECTION. John Hunter . (1728-1793). John Hunter. -distinguished primary sexual characteristics (those present at birth) . from . secondary sexual characteristics (those that appear with sexual maturity). Rev. Aug 2012. Adolescent Development. Physical growth and development. Psychosocial development. Sexual development. Physical Growth and Development during Adolescence. Sexual Maturity Rating . Christopher . Gade. Office: . 1031-G. Office hours: . Tu. 12-1:30 and by apt.. Email: . gadecj@gmail.com. Class: T 1:30-4:20 Room 2210. Sorting Task. In a group of 2 to 3, categorize the terms below as being more likely linked to males or females. 2013. Developmental Psychology. Osage - NIACC. Section 1- Biological, Social, and Cognitive influences on Gender. Vocab. Gender – characteristics of people as females or males. Gender identity – sense of one’s own gender with knowledge of actual gender. Pheromone . communication . is . thought to be very be . important in the location of a mate.. Check out our . live . specimens. !. Conflict. can play a part in the mating rituals of . some beetle species . …and extinction. Major questions:. Why do males* compete for access to females?. Why are females* so choosy. ?. direct & indirect benefits. sexy sons, good . genes. *Except for sex-role reversed species. Advanced Higher Biology. Miss A Aitken. Courtship and Fixed Action Patterns. Courtship. is the process of using behaviours and characteristics to attract a mate.. An increased chance of sexual reproduction can increase evolutionary fitness..