다음 글의 빈칸에 들어갈 말로 가장 적절한 것은? In a new st… | [법원직 9급 영어] 14년 1회차 기출문제 상세 페이지

다음 글의 빈칸에 들어갈 말로 가장 적절한 것은?  
In a new study, it was found that species that live in restrictive environments such as the tropics cannot adapt to a changing climate as well as species in more diverse environments. The reason is ________________. A species adapts to its environment and becomes better at surviving by undergoing physical and behavioral changes. These usually occur due to a gene mutation. If a species already has a more varied set of genes, it is more like to undergo the necessary changes. However, species in the tropics have less varied sets of genes.

destroyed environment

isolation from their habitat

attack from their predators

the lack of variation in their genes