Variation and natural selection
Answer:
Carbohydrate intake before trial.
Explanation:
The blank spaces in the task content should be filled with is; Three(3), atmosphere and ultraviolet rays of the sun.
<h3>What is Ozone?</h3>
Ozone is a trioxygen molecule; contained in the upper atmosphere with a sole aim of protecting biological life against ultraviolet rays of the sun. The ozone layer is however depleted to Oxygen molecule in the lower atmosphere.
Read more on ozone layer;
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The theory that Francesco redi sought to disprove by his experiments was the theory of spontaneous generation.
<h3>What is the theory of spontaneous generation?</h3>
The theory of spontaneous generation is the theory that living-things can arise spontaneously from non-living things.
Early scientists believed this theory. The experiments by Francesco Redi sought to disprove this theory.
However, it was only the experiment by Louis Pasteur that finally helped scientists at the time to reject the theory of spontaneous generation.
In conclusion, the experiments by Franceso redi was aimed at disproving the theory of spontaneous generation.
Learn more about spontaneous generation at: brainly.com/question/12682659
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