PLEASE ANSWER IT'S DUE IN 30 MINUTES Many athletes and runners describe themselves as "solar powered". Describe how this can be a true statement

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

What molecules does hemoglobin decay into over time

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?