4 | Biology Ial Unit

Explores how natural selection and reproductive isolation lead to new species. Isolation can be geographical (physical barriers) or (behavioral or seasonal differences). Forensic Biology: CSI Biology DNA Profiling:

While Unit 1 looked at carbohydrates, Unit 4 looks at burning them for ATP. biology ial unit 4

Open the official Edexcel IAL Biology specification. Go through each "bullet point" under Unit 4. If you cannot explain it in one sentence, you haven't learned it yet. you haven't learned it yet.