Each of the following questions consists of six sentences of a passage. The first and sixth sentences are given as S1 and S6. The middle four sentences in each have been jumbled up and labeled as P, Q, R, and S. Find the proper sequence of the four sentences and mark your response accordingly.

S1: Without pollination, the human race, as well as its terrestrial ecosystems would cease to exist.

P: Through this process, plants are able to create a seed, this seed contains genetic information for the production of a new plant.

Q: Pollination is the process of transporting pollen grains from the male anther of a plant to the female stigma. 

R: When the animal gets close to the flower, pollen may become attached to its body and when the animal goes to a different flower for the same reason, pollen can fall onto that flower’s stigma. 

S: The animals are usually eating pollen or taking nectar for its nutritional content.

S6: There are many different types of pollinators, these include, hummingbirds, moths, bats, bees, beetles, flies, wasps, and many more creatures.