Answer:
Two different kinds of flasks were used - regular and swan-necked
Explanation:
In his experimental design, Louis Pasteur used tow flasks. One of the flask was regular flask and the other was swan necked. He used these flasks to boil a meat broth. In the swan neck flask, air could enter but microorganisms could not. As a result, there was no grown seen in that flask. In the regular flask, microorganisms could enter and they spoiled the meat. Hence, the two different types of flasks were his experimental design.
Answer: Punnett Square
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A punnett square is used to display the possible outcomes of a genetic cross. The parents' alleles are written across the top and the side, and the possible genotypes are written in the boxes (see image).
C. Incus The Incus sends sound vibrations to the inner ear.
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