QUESTION IMAGE
Question
organisms with traits that are well suited to an environment tend to survive and reproduce at a greater rate than organisms that are less suited to an environment. this phenomenon is known as
a. independent assortment
b. sexual reproduction
c. the circle of life
d. natural selection
Brief Explanations
- 选项A:独立分配定律是指在形成配子时,等位基因分离,非同源染色体上的非等位基因自由组合,与题干描述现象无关。
- 选项B:有性生殖是指由亲本产生的有性生殖细胞(配子),经过两性生殖细胞(例如精子和卵细胞)的结合,成为受精卵,再由受精卵发育成为新的个体的生殖方式,与题干现象无关。
- 选项C:“生命循环”是一个比较宽泛的概念,不是生物学中对题干现象的准确术语。
- 选项D:自然选择是指生物在面临环境压力时,具有有利变异的个体生存和繁殖的机会增加,具有不利变异的个体生存和繁殖的机会减少,符合题干描述。
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D. natural selection