D. butterflies (they eat plants so they are a consumer)
Answer:
I think D is right answer
Both involve in production of energy
→ Both involve the exchange of gases
→ Both the process takes place in cell organelle which was considered as endosymbiotic organism. They are chloroplast and Mitochondria, Photosynthesis takes place in Chloroplast where as respiration takes place in mitochondria.
→ At critical condition both have alternate pathway.
That as you increase in trophic level 1/10th of the nutrients is lost. Starting at the consumers (plants) all the way to humans.