Speciation is the formation of a new species from an existing species and can occur in two phases. Those two phases are change of an existing species, and splitting of an existing species into two or more different species. An example of speciation would be the Galapagos finch - there are different kinds of this species all over the Galapagos archipelago.
Producers are organisms that produce their own food (plants and algae). Primary consumers eat producers; also known as herbivores. Secondary consumers include carnivores and omnivores. Now that I've gotten you started, start writing and turn that into five paragraphs.