about AS and A2 Biology
There are three modules
in each course.
The first AS module deals
with core principles such as cells,
Module 2 looks
at DNA and the way that it controls cell processes.
Module 3 covers
physiology in detail.
Module 4 is the start of the A2 course. It includes photosynthesis,
respiration, homeostasis, nervous system, genetics and
5 deals with ecology and includes a
field work component on rocky
shores and succession.