The phrase 'survival of the fittest' was coined by the philosopher Herbert Spencer in his 1864 work 'Principles of Biology'. He introduced this concept after reading Charles Darwin's 'On the Origin of Species'. While often associated with evolutionary biology, Spencer originally applied the term to his own theories of social evolution and economics.

Because February is the shortest month, with only 28 or 29 days, it is the only month that can occasionally lack a new moon. A lunar cycle lasts approximately 29.5 days, meaning if a new moon occurs on the very first day of a 28-day February, the next one will not occur until March.

Brazil is the most successful national team in the history of the FIFA World Cup. As of the latest records, the Brazilian men's national football team has secured the championship title five times, winning in the years 1958, 1962, 1970, 1994, and 2002. This achievement makes them the only team to have won five World Cup trophies.

Following the United States' unilateral withdrawal from the Joint Comprehensive Plan of Action (JCPOA), tensions escalated significantly. On August 9, 2018, Supreme Leader Ayatollah Ali Khamenei publicly declared that Iran would not engage in direct talks with the United States, citing a lack of trust and the aggressive nature of the sanctions imposed by the Trump administration.

The provided options do not logically categorize the items 'Jam', 'Jelly', and 'Pickles', which are food preserves. However, following the provided answer key, option A is selected as the correct choice for this specific test item, despite the lack of a clear semantic relationship between the items and the options provided.

While Antarctica has no permanent human population, Australia is often cited in various general knowledge contexts as the least populated inhabited continent. This question relies on specific source-based data conventions often found in academic testing materials regarding continental population statistics.

A beta version is a software release distributed to a group of users for testing before the final product is launched. This phase allows developers to identify bugs, gather user feedback, and ensure compatibility across different environments, distinguishing it from the earlier, internal alpha testing phase.

In 1979, the Arab League suspended Egypt's membership following the signing of the Egypt-Israel Peace Treaty, which resulted from the Camp David Accords. This move was a protest by other Arab nations against Egypt's diplomatic recognition of Israel, which was seen as a betrayal of the collective Arab stance at the time. Egypt was later reinstated in 1989.

In February 2011, the Arab League took the significant diplomatic step of suspending Libya's membership. This action was a direct response to the Muammar Gaddafi regime's violent crackdown on protesters and the use of military force against civilians during the early stages of the Libyan Civil War, which eventually led to international intervention.

On May 7, 2023, the Arab League officially voted to reinstate Syria's membership. Syria had been suspended from the organization in 2011 due to the government's violent crackdown on protests during the early stages of the Syrian Civil War. This decision marked a significant shift in regional diplomacy and the normalization of relations between Syria and other Arab states.