In effect, your essay needs to describe the way these individual phenomena are related; explaining how molecular events lead to the hierarchical organisations of living cells, known as organisms.
Accordingly, your essay will draw on insights from other, related spheres of biological science, incorporating biochemistry and genetics in particular.
The study of molecular biology is concerned with life at the level of cells and molecules, their structure and function.
Your essay will therefore be occupied with the structure and function of biologically significant molecules, with proteins, cell function and molecular events.
It is the only approach in psychology that examines thoughts, feelings, and behaviors from a biological and thus physical point of view.
Therefore, all that is psychological is first physiological.
Comparative method: different species of animal can be studied and compared.
This can help in the search to understand human behavior.2.
If you stick meticulously to the facts, corroborate assertions with critical sources, and offer reasoned arguments and insight then you will be in line for first class marks.
There is no better way to ensure you achieve the grade you desire than to consult an expert in the field.