What is the role of variation in evolution? A. It slows down evolution. B. It has no effect on evolution. C. It provides the raw material for evolution. D. It makes E. volution more predictable. 相关知识点: 试题来源: 解析 C。解析:变异在进化中提供了原材料。变异产生了不同的性状,为...
百度试题 结果1 题目what is the so-called variation?相关知识点: 试题来源: 解析 The differences among homogeneous individuals, such as in height, weight…反馈 收藏
(ii) Explain how, offspring and parents of organisms reproducing sexually have the same number of chromosomes. Video Solution Struggling with X Boards ? Get free crash course Text SolutionVerified by Experts The difference in the characters among individuals of a species is called variation. A...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
答案解析: Coefficient of variation, CV = standard deviation / mean. The standard deviation is the square root of the variance, or 4½ = 2. So, CV = 2 / 10 = 20%. 统计:共计66人答过,平均正确率62.12% 问题:进入高顿部落发帖帮助...
Variation theoryA recent development of phenomenography, variation theory, is illustrated using a video recorded case of learning. From a variation theory perspective, to learn is to be aware of critical aspects of what is learned. The way we experience or understand something depends on what ...
As nouns the difference between variation and variability is that variation is the act of varying; a partial change in the form, position, state, or qualities of a thing while variability is...
Variance is a statistical measure of dispersion, whereas variation refers to the range of differences in a set of variables.
"Utilizing" and "Utilising" both refer to the act of making use of something effectively. The primary difference between them is not in meaning but in regional spelling conventions. "Utilizing" is the preferred form in American English, which tends to favor -ize endings. 9 Conversely, "Utilisi...
What Is Variance Used for? Variance measures the degree of spread in a data set from its mean value. It shows the amount of variation that exists among the data points. Visually, the larger the variance, the "fatter" aprobability distributionwill be. In finance, if something like an invest...