please and thank you, for ecology. 1. D Question 10 1 pts The total amount of ca

Question

please and thank you, for ecology.

1.

D Question 10 1 pts The total amount of carbon fixed by photosynthesis minus the losses of carbon from respiration is: nutrient cycling O gross primary production O net primary production O net ecosystem exchange D Question 11 1 pts Nitrogen in the form of N2 molecules makes up a majority of the Earth's atmosphere but is not directly available to plants because: the N2 molecules are triple bonded O the N2 molecules are too high in the atmosphere to reach the canopy layer O microbes consume N2 too rapidly for plants to compete O the N2 molecules harm plant cells DQuestion 12 1 pts A population of rattlesnakes that is increasing in size has an: Or>o r-K r-o ro

Explanation / Answer

And10. Net primary production is the total amount of carbon dioxide fixed by photosynthesis minus the losses of carbon from respiration.

Ans11. Nitrogen is not absorbed by plants in its molecular form because nitrogen contain triple bond which is unreactive to plants.

Ans12. A population of rattlesnakes that is increasing in size has an r>0

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