The same methods that you use to link sentences and create coherent paragraphs can be used to link paragraphs themselves so that a whole piece of writing flows smoothly. You should include some reference to the previous paragraph, either explicit or implied, in each paragraph after the introduction. As with sentences, you can create this link by repeating or paraphrasing key words and phrases and by using parallel structures and transitional expressions.
REPEATING KEY WORDS
In fact, human offspring remain dependent on their parents longer than the young of any other species.
Children are dependent on their parents or other adults not only for their physical survival but also for their initiation into the uniquely human knowledge that is collectively called culture. . . .
USING PARALLEL STRUCTURES
Kennedy made an effort to assure non-Catholics that he would respect the separation of church and state, and most of them did not seem to hold his religion against him in deciding how to vote. Since his election, the church to which a candidate belongs, has become less important in presidential politics.
The region from which a candidate comes remains an important factor. . . .
USING TRANSITIONAL EXPRESSIONS
While the Indian, in the character of Tonto, was more positively portrayed in The Lone Ranger, such a portrayal was more the exception than the norm.
Moreover, despite this brief glimpse of an Indian as an ever-loyal sidekick, Tonto was never accorded the same stature as the man with the white horse and silver bullets. . . .