Can you finish an essay with a quote?
To close the discussion without closing it off, you might do one or more of the following: Conclude with a quotation from or reference to a primary or secondary source, one that amplifies your main point or puts it in a different perspective.
How do you end a paragraph with a quote?
When the quote ends, use a comma inside the quotation marks, and then continue the sentence outside. If the quote ends with a question mark or an exclamation point, use it inside the quotation marks, and then continue the sentence outside the quotation marks like: “Where are you going?” she asked.
What was the variable in his experiment?
The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.
What was Needham’s hypothesis?
John Needham, a microscopist, was a staunch supporter of the aforementioned theory of spontaneous generation, which was the idea that living organisms can develop from non-living matter. Needham’s most important experiment claimed that microorganisms in broth developed independently of other cells.
How did Pasteur’s experiment finally disprove spontaneous generation?
To disprove the theory of spontaneous generation, Louis Pasteur devised a way to flask that allowed oxygen in, but prevented dust from entering. The broth did not show signs of life until he broke off the neck of the flask allowing dust, and therefore microbes, to enter.
How did Redi disprove spontaneous generation?
In 1668, Francesco Redi, an Italian scientist, designed a scientific experiment to test the spontaneous creation of maggots by placing fresh meat in each of two different jars. Redi successfully demonstrated that the maggots came from fly eggs and thereby helped to disprove spontaneous generation.
Who proved spontaneous generation wrong?
Louis Pasteur is credited with conclusively disproving the theory of spontaneous generation with his famous swan-neck flask experiment. He subsequently proposed that “life only comes from life.”
Why was spontaneous generation believed for so long?
Many believed in spontaneous generation because it explained such occurrences as the appearance of maggots on decaying meat. spontaneous generation experiments Encyclopædia Britannica, Inc. By the 18th century it had become obvious that higher organisms could not be produced by nonliving material.
Is spontaneous generation true?
For several centuries it was believed that living organisms could spontaneously come from nonliving matter. This idea, known as spontaneous generation, is now known to be false. Spontaneous generation was disproved through the performance of several significant scientific experiments.
Who discovered bacteria causes?
The more formal experiments on the relationship between germ and disease were conducted by Louis Pasteur between the years 1860 and 1864.