The dominant shape of a pea pod is Smooth.
To know this we simply need to see the shapes of the majority of pea pod around us and leave the rest to natural selection. The majority of them had smooth shapes.
This indicates that the Genetic that determine the smooth shape of pea pod is Dominant and exist in larger amount.
I think it is Facilitated diffusion
The scientific method:
Observation
Problem
Hypothesis
Materials
Procedure
Data
Analysis
Conclusion
Circulation is the passing of blood through the body is part of which body function.