[Solved] In some instances environmental change causes a situation where one phenotype is favored for a period of time, and then a different phenotype is favored.This oscillating selection causes A)the maintenance of genetic variation in the population. B)an increase in point mutations. C)elimination of rarer genotypes because of uneven selection. D)extinction of the population. Wildcard: A character used in search functions to represent one or more other characters, facilitating flexible and broad search criteria. Adult Content: Material deemed suitable only for adults due to its explicit or mature nature, including but not limited to pornography and graphic violence. Web Searches: The act of looking for information on the internet using search engines. Search Box: A text field feature in software applications or websites that allows users to input keywords or phrases to find specific information or content.