This is from physics & maths tutor
| Front | Why is genetic variation important in speciation? |
| Back | Genetic variation produces phenotypic variation, some of which are better suited to the environment and are selected for. |
| Front | What three main factors are tested for when developing new drugs? |
| Back | ● Toxicity● Efficacy● Dose |
| Front | How is preclinical testing carried out? |
| Back | In a laboratory - uses cells, tissues and live animals |