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.
C. Cloning mammals has a very low success rate and can produce damaged young
Termites depend on digestive tract to digest the complex sugars into simpler molecules that they can use for food. Cellulose is a major sugar and it is broken down in the hindgut of the termite by microbes into molecules called short-chain fatty acids. The termite's cells use these acids as nourishment, just like our cells do.
therefore, answer is A. mutualism