Actual renewable source (c)
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination. Meiosis is important because it produces gametes, female or male germ cells.
The RNA sequence comparison
I think its D I seen this on khan academy
Provide commercial/recreational opportunities without adversely impacting wild populations (i.e. overharvest).