Rosalind franklin used x-ray crystallography to determine that dna was double stranded
Stores energy within the body also in animals it is to store energy
The four inferences were love, hate, war and the liberties of death.
I think some factors that influence rabbit reproduction is enough food, healthy rabbits, lots and lots of space for them to populate, and very little predators. This should help I'm not exactly sure what you are looking for though sorry. :^)