What do the arrows in a food chain represent

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.