Answer:
The photobiont supplies the association organic carbon from photosynthesis, and the mycobiont ensures protection and regulates the supply of minerals and water. The nutritional exchange between partners is probably much more complex than exchange of water and minerals for organic carbon. Thus, the correct answer is option B.
Answer: B) the temperature of the water
Explanation: The independent variable is the one that is manipulated or changed
Helicase, DNA polymerase, Ligase and Primase. These are the ones we learned I don't know if there are more.