One way to define _____ is any change in allelic frequencies within a population.
A: mutation
B: natural selection
C: equilibrium
D: evolution
E: sampling error
A: mutation
B: natural selection
C: equilibrium
D: evolution
E: sampling error
举一反三
- 中国大学MOOC: One way to define _____ is any change in allelic frequencies within a population.
- In the punctuated equilibrium (间断平衡) model of evolution, periods of evolution are . A: long, with gradual change B: long, with rapid change C: long, with fluctuating change D: short, with slow change E: short, with rapid change
- The difference between the sample mean and the population mean is called the: A: population deviation. B: population standard deviation. C: standard error of the mean. D: sampling error.
- Audit sampling is the application of audit procedures to less than 100% of items within a population relevance such that all sampling units have a chance of selection. （ ）
- The following sampling method with the smallest sampling error is () A: Stratified sampling B: Simple random sampling C: Systematic sampling D: Cluster sampling E: Double-blind sampling