FITT principle: Frequency, Intensity, Time, and Type.
They can increase their exercise from 3 days per week to 5 days per week. They can aim for a further distance during their exercise. They can increase the daily time from 20 minutes into 40 minutes. They can change the exercise from jogging to running.
Fertility is the actual output of reproduction, and fecundity is the potential output
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
May be carbon
carbon make up the structure of protein