A. Tree leaves
Explain: because giraffes are herbivores their diet mainly consists of leaves and plants.
The electron transport chain (ETC) is the final step of cellular respiration and takes place in the mitochondrion.
- The final step in cellular respiration is the electron transport chain. This is sometimes abbreviated as ETC. ETC needs oxygen, which means aerobic process. It occurs at the edges of the inner lining of mitochondria. These handles are called cristae.
When plants perform photosynthesis and when plants or animals perform aerobic cellular respiration