She could remove the stem of a flower of the same species and place it back in the red-coloured water as a control experiment and observe if a colour change takes place. If not, then it confirms her hypothesis.
Answer:
See details below
Explanation:
We know for sure that PK2 activates PK1 in a significantly signaling pathway. This is mainly because PK1 is permanently activated as a independent response which is observed in the status of PK2, by indicating that PK2 is fully activated downstream of PK1.
In the case that based on observation and experience, a setup were modified in a such a way PK1 was mutationally inactive and PK2 carried an activating mutation, we would not find any response observed since PK2 would not be able to activate PK1. The most importantly is that the logic is whether you discuss that PK1 activated PK2, I responded to this question part mainly based on this sequence.
A) over time finches on the island adapted and evolved as a result of competition over resources. It was one of Darwin's original focuses for his Theory of Evolution
