Question

Suppose you harvest and weigh all your 10000 blue-eyed grass plants that grew in one year, and estimated their biomass to be approximately 80 g(carbon)/m²/yr. Assuming respirational needs to be about 20% of total photosynthesis, how much total carbon did these plants photosynthesize during the year of your study?

None of these answers are correct

50 g(carbon)/m²/yr

20 g(carbon)/m²/yr

80 g(carbon)/m²/yr

100 g(carbon)/m²/yr

Answer 1

As respirational needs is about 20% of total photosynthesis.

Hence, 80% of that will get converted to their biomass.

Now, 80% of total carbon these plants photosynthesize = 80 g(carbon)/m2/yr

Then, total carbon these plants photosynthesize equals to ... 100 g(carbon)/m2/yr

Solution :

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