Adding & Deleting Sentences Practice Test

One of the most influential niche constructors is the earthworm, an organism found almost everywhere on the planet. 1 A scientist only concerned with evolution would predict that, in order to live on land, earthworms would have to significantly change. Earthworms didn’t change their physiology a great amount, however, instead, they changed the soil to make it more like the ocean in order to survive. Land with earthworms is less compacted, is more nutrient rich, and better mixed than land without them – leading to monumental changes in the ecosystem.

The author is considering adding the following sentence.

Earthworms were originally aquatic organisms that were ill-equipped to survive on land.

Should the author make this addition?

For thousands of years, cooking was considered more of a practice than a science. Much of what chefs and food scientists alike knew about cooking came from conventional wisdom rather than carefully designed research. For individuals who considered cooking to be an art rather than a science, this seemed to be for the best; however, for physicist Nicholas Kurti and chemist Herve This, the lack on empirical knowledge around what we eat was not just an affront to science. It was a challenge. In 1988 the pair coined the term “molecular gastronomy,” which they defined as the investigation of the physical and chemical transformation that ingredients undergo during the course of cooking. They argued that if chefs understood these processes, they could produce dishes improved by the findings. 1

At this point, the author is considering adding the following sentence.

"The pair’s philosophy came from the Enlightenment thinkers of the 18th century, who believed that everything could be categorized and systematized."

Should the author make this addition here?