The correct answer is the cell.
A. The sun, because there has been theory’s of the sun being able to heat earth from there being a lot of iron in the middle of earth.
Answer: Option A.
Electrons,carbon and energy.
Explanation:
Chemorganoheterotrophs are organisms that uses organic substrates to produce carbon needed for their growth and development. They derive their energy from oxidation and reduction of organic substances. The use the reduced carbon produced by autrotophs as as source of electrons, carbon and energy. Example is fungi that uses carbon as electron donor and source for carbon and energy.
That would be animals getting isolated into different groups in different locations. These animals would have to breed AND adapt to that location, otherwise they will become extinct. When each species adapts and breeds to agree with a different location, that would be called speciation.
The correct answer is AMDR or Acceptable Macronutrient Distribution Ranges.
DRI or Dietary Reference Intakes is defined as recommendent amount of energy, nutrients and other food components for healthy people to stay healthy and to prevent chronic disease risk, and deficiencies. DRI is set for each gender and age.