Answer:
The correct answer will be-yes.
Step-by-step explanation:
A scientific method is a procedure performed in a systematic way to understand and explain the natural phenomenon.
The procedure of scientific begins with observing the natural phenomenon which leads to asking a question. The predictions are made on the basis of previous works and a hypothesis is generated which could be tested with the scientific experiments and data can be collected.
In the given question, since the biologist wants to study the effect of tides on the ecosystem can be studied with the scientific method as the ecosystem contains a number of variables which can be tested through the scientific experiments.
Thus, yes is the correct answer.