A) Survivorship for a Type I curve is nearly 1,000 times as great as survivorship for a Type III curve.
Explanation:
The survivorship scale allows us to compare species with their varying life spans, as a percentage of the maximum life span for the individual species on a graph.
Hence, at 50% of maximum life span, survivorship for a Type I curve compare to survivorship for a Type III curve in that survivorship for a Type I curve is nearly 1,000 times as great as survivorship for a Type III curve.
Those are the letters that would pair up in the mRNA strand. Adenine goes with Thymine and Cytosine goes with Guanine. Zip up these two sides and you get a successful DNA strand.