The correct answer is A.
The passage illustrates that every species has its significance because their roles are often unknown until discovered. The mentioned instances involve even minor organisms, like pests, that proved essential. Thus, the first statement is the most appropriate one.
Anti-Catholicism refers to hostility or opposition directed at the Catholic Church, its clergy, and its followers. In Protestant nations, Catholics were often viewed with suspicion, as if they were plotting against the government in favor of papal agendas. Anti-Mormonism embodies the discrimination, hostility, or prejudice aimed at those belonging to the Latter Day Saint movement, especially The Church of Jesus Christ of Latter-day Saints.
The answer is B. It concludes with the assertion that financial considerations should hold less importance in how students express themselves.