what to expect. At the end of a paragraph the topic sentence can reinforce or can place emphasis on the details discussed within the paragraph Ex. We left early Saturday morning and arrived at the boat just before dawn as planned It was a beautiful and sunny day the sky was perfectly clear. Not only did i get a long needed tan, but I also actually caught five fish. It was a perfect day on the boat Practice: Underline the topic sentence in each paragraph (a)reproduction, of course, is the key to an organisms survival Failure to reproduce means no progeny. If this continues, it means an end to the species. and the offspring must be produced in sufficient numbers so that some few will survive all threats of their environment. So salmon must lay 28 million eggs in one season to survive their predators and main their ecies in the world (b) But installing telephone service for anyone who wants it is no longer our only interest. The newest developments in telecommunications-including information sharing- offer more exciting possibilities. We predict that our company will soon be3 what to expect. At the end of a paragraph the topic sentence can reinforce or can place emphasis on the details discussed within the paragraph. Ex. We left early Saturday morning and arrived at the boat just before dawn as planned. It was a beautiful and sunny day; the sky was perfectly clear. Not only did I get a long needed tan, but I also actually caught five fish.It was a perfect day on the boat. Practice: Underline the topic sentence in each paragraph: (a)Reproduction, of course, is the key to an organism’s survival. Failure to reproduce means no progeny. If this continues, it means an end to the species. And the offspring must be produced in sufficient numbers so that some few will survive all threats of their environment. So salmon must lay 28 million eggs in one season to survive their predators and main their species in the world. (b)But installing telephone service for anyone who wants it is no longer our only interest. The newest developments in telecommunications-including information sharing- offer more exciting possibilities. We predict that our company will soon be