I think that the best phrase to fit into the blank is a "scientific theory".
A scientific theory is developed through experiments which use the scientific method, and a theory can be improved if additional data is available or if people provide suggestions which make the theory fit the data better.
Answer:
true ameoba is unicellular
Answer:d.
Explanation:hope you guys got it that’s what I got and it was right
Answer:
number two but it meant to have 3protein s follow
