The correct answer is frequency.
The pitch can be defined as the quality of sound produced by the rate of vibration producing it.
It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.
As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz
Crossing over occurs but on in meiosis 1
<span>Answer is d. all of these.
Anxiolytic/hypnotic drugs are medicines or depressants that used to relieve anxiety, and aid sleep. The benzodiazepines are the best known class of drugs to this category. Benzodiazepine causes sedation but it rarely interfere with person’s breathing or death. Even though benzodiazepine can treat anxiety symptoms, they can be extremely dangerous. <span>They can cause side effects, become addictive, and even cause fatal withdrawal symptoms for some users.</span></span>
The answer is no, high biological fitness in one environment doesn’t have to be high in another environment.
Biological fitness is a term used in evolutionary biology and it is the quantitative representation of how a genotype (or phenotype) is successful (reproductively) in a certain environment. Fitness depends on environment so it changes if the environment changes. The fitness of a genotype is manifested through its phenotype, which is affected by the environment.
The nucleolus<span> makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. </span>
