The biosphere is everything. the whole planet. so all of the above is right
I do believe the answer is B
A. instinct.<span>Instinct is the tendency of an animal to exhibit a particular complex behavior.</span>
Although there is no attachment, the best answer would be option B.
DNA replication occurs in opposite directions along a strand of DNA.
The leading strand is replicated continuously in the 5' to 3' direction towards the replication fork.
The lagging strand is replicated discontinuously in the 5' to 3' with segments of DNA known as Okazaki fragments.