Almost all the energy in ecosystems comes from the sun.<span>Energy is captured by producers and then passed in a linear progression from one trophic level to the next. At each level, much of the energy escapes the ecosystem as heat. Unlike this one-way flow of energy, matter is recycled within and between ecosystems. Elements pass from one organism to another and among parts of the non-living environment through closed loops called biogeochemical cycles.</span>
<u>Answer:</u>
The correct answer is Uracil which is nitrogen base found in RNA.
<u>Explanation:</u>
Uracil is a nitrogenous base which is located within an RNA molecule but not within a DNA molecule.
Uracil, represented by the letters A, G, C and U, is one of the four nucleobases that are found in the nucleic acid of RNA which binds to adenine.
While thymine is present in the DNA and binds to adenine.
Your body breaks down protein and then uses the nucleotides to build protein again because you need the protein for your body so you can gain energy
Hope This Helps.
A, all yellow because yellow is dominant so it will hide the green trait
<span>Remember that of the three Domains, only Eukaryota have multicellular organisms. AllEukaryotes have (or are) complex cells. Plantae, Animalia and Fungi are truemulticellular kingdoms. The various other Eukaryotic kingdoms are lumped under Protists. Hope this helps</span>