Biology 4BI1/2BR May Jun 2019

Edexcel IGCSE Biology (4BI1) Jun 2019

معلم موافق رایگان بودن است.

1. Photosynthesis and Carbon Dioxide: Investigating the FACE program′s impact on plant growth, analyzing CO₂ increase predictions, explaining its effect on photosynthesis, and discussing stomatal regulation in response to atmospheric changes.

2. Ecology and Biodiversity: Defining population, community, and ecosystem, identifying abiotic factors, estimating population size using quadrats, and comparing biodiversity in natural woodlands versus agricultural fields.

3. Human Physiology and Excretion: Locating the glomerulus in the kidney, analyzing changes in glomeruli with age, explaining differences in molecule concentration between glomerulus and bladder, and understanding ADH regulation.

4. Genetics and Inheritance: Investigating phosphofructokinase deficiency in dogs, calculating inheritance probabilities, explaining the benefits of homozygous dominant breeding, and analyzing genetic mutations affecting protein production.

5. Hormonal Regulation and Reproduction: Identifying key menstrual cycle hormones, explaining ovulation, determining hormone sources, and interpreting hormone graphs.

6. Fish Farming and Sustainability: Analyzing global fish supply trends, calculating farmed fish percentage changes, discussing problems in fish farming, and exploring sustainable fish farming solutions.