Which one of the following minerals participates in more than 300 types of enzyme-driven reactions, including those in dna and protein synthesis, blood clotting, muscle contraction, and atp production?
a. zinc
b. calcium
c. phosphorus
d. magnesium

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.