Answer:
Lock and key, where correct fit between components is critical.
Explanation:
Reproductive isolation may be defined as the evolutionary and physiological differences that prevent the mating of the different species. This process is critical for the speciation.
Pre reproductive mechanism prevents the meeting as well as mating of the different group of organisms. The genital structure of the insects match and unique within the species. The genital structure of the male and female species fit with each other as the key fits into its lock.
Thus, the correct answer is option (e).
Comparing an instrument (being calibrated) to a another instrument which is the standard instrument. The standard instrument should have an accuracy 10x of that of the measuring device being tested,
El receptor de ácido de Lewis
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