In food chain initial organisms are
Top consumers
Secondary consumers
Primary consumers
Photosynthates
In an ecosystem
What is the percentage of photosynthetically active radiation $(PAR)$, in the incident solar radiation.
Food levels in an ecosystem are called
Assertion : In a food chain, members of successive higher levels are fewer in number.
Reason : Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.
Choose the incorrect sentences from below.