1. Forensic Biology and DNA Analysis: Use of PCR and gel electrophoresis for forensic identification, analyzing DNA fragments, and determining relationships between individuals. 2. Ecosystem Dynamics and Conservation: Impact of deforestation on biodiversity, carbon storage in forests, conservation strategies, and ecological succession. 3. Climate Change and Global Warming: Greenhouse gas effects on climate patterns, impact on polar ice melting, and predictions using climate models. 4. Genetics and Evolution: Natural selection in changing environments, genetic variation in populations, and advantages of certain traits for survival. 5. Plant Physiology and Photosynthesis: Factors affecting chlorophyll content in leaves, role of nitrogen in plant growth, and photosynthetic efficiency. 6. Microbiology and Disease Resistance: Bacterial growth in different conditions, antibiotic resistance mechanisms, and factors affecting the spread of infectious diseases.