The dominant second trophic level, in a lake ecosystem, is
Benthos
Plankton
Zooplankton
Phytoplankton
Primary producer of an ecosystem is
Which of the following food chain may not be directly dependent upon solar energy
If bamboo plant is growing in a far forest then what will be its trophic level
Which of the food chains directly depends on solar radiations
What is the percentage of photosynthetically active radiation $(PAR)$, in the incident solar radiation.