1. What is the primary function of photosynthesis in ecosystems?
2. In a food web, approximately what percentage of energy is transferred from one trophic level to the next?
3. Which human activity most directly disrupts the nitrogen cycle?
Nitrogen cycle — key step?
Nitrogen fixation by bacteria
Food web — structure?
Interconnected feeding relationships
Photosynthesis — process?
Converts light energy to chemical energy
Ecosystem components?
Biotic and abiotic interacting components.
Photosynthesis — role?
Converts solar energy to chemical energy.
Food chains vs food webs?
Linear vs complex feeding relationships.
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