I believe it is geographic isolation. Hope it helps.
Answer: Increasing water consumption that decreases the flow of clean water from the
springs that feed the river
Explanation: Because the salamanders have less clean water, pollution becomes more of a problem, also all of the other options would help the salamanders.
Answer:
Oxygen + Glucose ( Sugar ) would be the reactants
Explanation:
Everything else would be products
Answer: form of a virus that is integrated into the genetic material of a host cell and by replicating with it can be transmitted from one cell generation to the next without causing lysis.
explanation: https://www.merriam-webster.com/dictionary/provirus