PSY395H5 Lecture Notes - Lecture 7: Anosmia, Preoptic Area, Corpus Luteum
Document Summary
How females tend to put in more investment and more choosy. Males less investment but take on maing efort, more energy into maing with lots of females. Whereas females take on parental efort, energy in making sure their ofspring survive. This strategy only works if one parent is enough to suiciently let the ofspring survive. Can see biparental care in some species if need more parental investment in certain env"t. Dev"l maturity in which the ofspring is born determines how much care is needed. Altricial: litle care. b/c not very dev"l when born, need lots of postnatal care. They need lots of prenatal and postnatal but not as much as other species sine they can actually take care of themselves. Young tend to cling to mom; grasp relex . Mallee fowl and jacacana: male do all prenatal care and females. Are altricial and need lots of care. compete for a posiion in male"s nest: females not pro"v food.
