푸틘 [280057] · MS 2009 · 쪽지

2011-09-26 23:07:29
조회수 390

빈칸 문제 3

게시글 주소: https://orbi.kr/0001785735

It is not surprising that most mutations, which are
caused by sudden alterations of specific genes, are
harmful or even fatal. Every once in a while,
however, a chance mutation gives an organism a
certain advantage over other individuals. Webbed
toes, for example, allow for more efficient
swimming. Similarly, thicker coats allow for survival
in cooler temperatures. According to evolutionary
theory, this advantage encourages the survival of an
organism. The trait is then passed on to its
offspring. These offspring are more likely to survive
and produce more advantaged offspring. Thus,
through mutations, a species can develop
characteristics which allow it to ________________.
① alter inferior genes from its ancestors
② live harmoniously with other creatures
③ better compete in different environments
④ get accustomed to changes in its body
⑤ settle down in the most favorable place



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