Which product does the krebs cycle require from the electron transport chain?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Moving down the ramp from 6 meters to