Biology WBI13/01 May June 2022 | Edexcel International AS Level Past Papers With Mark Scheme

Edexcel International AS/A Level Biology (WBI) Jun 2022

معلم موافق رایگان بودن است.

1. ecosystem classification, habitat comparison, environmental factors, plant–animal interactions, energy flow

2. photosynthesis vs respiration, experimental variables, limiting factors (light, temperature, CO₂), compensation point, oxygen production measurement

3. enzyme action, substrate concentration, reaction rate, temperature effect, active site specificity, denaturation

4. genetic cross analysis, Punnett square interpretation, genotype–phenotype correlation, probability of traits

5. evolution evidence, homologous structures, natural selection mechanism, adaptation, fossil record comparison

6. human impact on biodiversity, deforestation effects, pollution consequences, conservation methods, global warming causes