Help me with these questions please I’m confused

thymine. in rna, thymine is replace by uracil

youre right there are

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully