Manatees are a protected species in florida. causes of death (mortality) are studied to determine the greatest threats to their populations and to develop protection plans. the table shows the percent of mortality due to various causes over a ten year period. based on this data, what would be the two most effective regulations to introduce to protect both manatee adults and calves this region? (the last answer says “the development of marine protected areas and regulations to reduce runoff.”

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.