- Energy Flow and Food Chains
- Various types of food chains
- photosynthetically active radiation, producers, consumers, herbivores,primary carnivores,secondary carnivores
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With the help of a flow chart, show the phenomenon of biomagnifications of DDT in an aquatic food chain.
Explain why a progressive decline is seen in the population size from the first to the fourth trophic level in the above pyramid.
What is the percentage of photosynthetically active radiation (PAR), in the incident solar radiation.
(b) 50 %