The current availability of `CO_(2)` levels is limiting to the

Currently availability of CO_2 levels in atmosphere is limiting to all except

Currently availability of CO_2 levels in atmosphere is limiting to all except

when blood CO_(2) level rises

…………………… is abundant in nature but availability of its special grade is limited.

Generally atmospheric CO_(2) is not limiting for hydrophytes

What percentage of energy available at the producer level is transferred to the successive trophic level in a food chain?

If the energy available at a trophic level is 100 units, the energy available at the level just below it will be about ______ units.

Generally CO_2 is not limiting for hydrophytes because