Sperm and egg donation service agencies offer hope to infertile parents who hope to conceive their own children in the future. Sperm donation is a relatively easy process, requiring no more than an hour’s time. However, donating eggs is a rather complicated task, requiring months of hormone therapy and minor surgical procedures to retrieve the harvested eggs. In addition, drugs injected into women cause their ovaries to ovulate several eggs at once, greatly increasing the odds of developing cancer. To compensate for the ‘inconvenience’, women are given a large sum of money. Often, young, female college students are targeted for egg donations since they are considered more educated and healthier that their older female counterparts. Do you think females should be compensated for donating their eggs? Why or why not? Is it appropriate for egg donation agencies to advertise for potential egg donors on college campuses?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa.which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.