Can I end a conclusion with a question?
Conclusion paragraphs are very important to a piece of writing. Whether it’s fiction or nonfiction, a conclusion summarizes the main idea and important details. Ending with a question is a great way to leave the reader thinking even after he or she is finished reading. …
What did the swan neck experiment prove?
This demonstrated that certain germ particles in the air caused the spoiling of the broth, disproving spontaneous generation – a previous leading theory of disease that claimed the air itself was to blame.
Why did Redi perform a second experiment?
Some people claimed that fresh air was needed for spontaneous generation to occur. Therefore, Redi performed a second experiment. He covered the jars with fine netting. The netting allowed fresh air into the jars but prevented flies from entering and landing on the meat.
Why are maggots not observe in the second jar?
Answer: To test the hypothesis, Francesco Redi placed fresh meat in open containers [left]: as expected, the rotting meat attracted flies, and the meat was soon swarming with maggots, which hatched into flies. When the jars were covered so that flies could not get in [middle], no maggots were produced….
How did Pasteur’s experiment 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.
Why did the law of spontaneous generation survive for so many years?
Why did the law of spontaneous generation survive for so many years? It survived because flawed experiments seemed to confirm it.
What was Redi’s theory called?
spontaneous generation
Why do maggots appear on raw meat?
Tip: Maggots are the larvae of flies. They grow on meat because females lay eggs in a substance that provides food for the maggots after they hatch. Meat is a preferred source of maggot food for many species of flies….
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.