ANT331H5 Lecture Notes - Lecture 6: Ejaculatory Duct, New Born, Sertoli Cell
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Part b: explain a term and give an example of its application to sociobiology (6/8) Part c: answer 4 questions (4 marks each) Males tend to have behavior relating to mating strategy, whereas females exhibit behavior relating to parental strategy. Highly adaptive to increase sperm deposition: different aspects of the male reproductive system are highly adaptive. Meaning, they are seen as a reflection of sexual selection (to have successful reproduction): the penis is the direct (or proximate) structure that is used for reproduction. And, in nature the penis is extremely diverse within the mammalian kingdom. Distal complexity: the majority of penises have some kind of physical ornamentation (i. e. , complexitiy within the head of the penis), the distal end of the penis, you also see a lot of diversity and complexity. Because the glands is the deposition part of the penis. Function: more rapid erection, longer erection after ejaculation. Dixson (1987: the abaculum allowed males to maintain an erection after ejaculation.
