How can the italicized sentences in this paragraph be combined to eliminate repetition most effectively?

How does the author's purpose affect his or her text structure

Write a short paragraph explaining how to determine what information to put into a slide show presentation.

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.