D. People plant different types of flowers in a garden. 相关知识点: 试题来源: 解析 C。解析:自然选择是指生物在生存斗争中适者生存、不适者被淘汰的现象。C 选项中昆虫对杀虫剂产生抗性是因为在使用杀虫剂的环境中,具有抗药性的昆虫能够生存下来并繁殖后代,这是自然选择的一个例子。A 选项是人工选择;B...
An analogous trait is a trait that may be similar in appearance or purpose but which evolved independently in the two organisms in question. Read Natural Selection vs. Adaptation | What is an Example of Natural Selection? Lesson Recommended for You Video: Phenotypic Variation | Overview, Types ...
Natural selection is the process by which individuals with favorable traits are more likely to survive and reproduce, passing on those traits to future generations. An example of natural selection is the peppered moth, where the darker moths were more likely to survive and reproduce during the ind...
Jumping Gene Darkened Moths: Genetics of Classic Example of Natural Selection ExplainedPeppered moths and some copycat butterflies owe their color changes to a single gene, two new...Saey, Tina Hesman
Example of Natural Selection During the credit crisis of 2008, several brokerage firms suffered a similar fate of bankruptcy. As a result of this dramatic deterioration in the financial landscape,Bear Stearns(founded in 1923),Merrill Lynch(founded in 1914), andLehman Brothers(founded in 1850) were...
1What does the example of India illustrate?[A]Wealthy people tend to have fewer children than poor people。[B]Natural selection hardly works among the rich and the poor。[C]The middle class population is 80% smaller than that of the tribes。[D]India is one of the countries with a very...
B. Natural selection hardly works among the rich and the poor. C. The middle class population is 80% smaller than that of the tribes. D. India is one of the countries with a very high birth rate. 相关知识点: 试题来源: 解析 B 正确答案:B 解析:本题可参照文章的第2段。从中可知,如今...
Natural selection has played an important role in establishing various phenotypes, but the molecular mechanisms of phenotypic adaptation are not well understood. The slow progress is a consequence of mutagenesis experiments in which present-day molecules were used and of the limited scope of statistical...
A.Wealth people tend to have fewer children than poor people.B.The upper class population is 80% smaller than that of the tribes.C.Natural selection hardly works among the rich and the poor.D.India is one of the countries with a very high birth rate.相关...
- 《Natural Language Engineering》 被引量: 458发表: 2005年 Bootstrapping Statistical Parsers from Small Datasets We present a practical co-training method for bootstrapping statistical parsers using a small amount of manually parsed training material and a much larger... M Steedman,M Osborne,A ...