[Solved] The ancestors of this organism first appeared in the fossil record about 3.5 billion years ago and has phycobillin accessory pigments. A)dinoflagellate B)euglena C)cyanobacterium D)diatom E)green alga Sexual Morality: The moral and ethical considerations and standards related to sexual behavior and relationships. Pornography: Visual or written content that depicts sexual acts or explicit sexual content, intended to stimulate erotic feelings rather than aesthetic or emotional feelings. Sexual Harassment: Inappropriate sexual propositions, demands for sexual favors, and various forms of sexual harassment, whether spoken or physical. Supreme Court: The highest federal court in the United States, which has ultimate appellate jurisdiction over all federal and state court cases that involve a point of federal law.