Answer:
I believe the awnsner is medicine. ((Not completely sure))
Explanation:
I think so because medicine is usually used to help defeat a sickness and not as much as repairing something that's wrong.
I believe flagellates would be classified as heterotrophic protists With flagella. It's an animal-like protist.
Exaptation
Explanation:
In this example, the lateral extensions that developed were meant for thermoregulation.
But these became sufficiently large to support gliding through the air and later on were used for flight.
Thus the structure assumed a function for which it was not meant and its original function shifted to a completely different dimension giving rise to modern insect wings. So we can say that this is an example of Exaptation.
A. More Crop Rotation
*B. Reduced Biodiversity*
C. Reduced Soil Erosion
D. More Cash Crop
