Look at the energy pyramid to the right. What percentage of energy from the producers will be passed on to the giraffes that eat them?
A. 100%
B. 90%
C. 50%
D. 10%

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

d. cellulose and starch

my answer is the prothallium.brainliest