What is the main function of the Krebs cycle?
A. Breaking down energy carriers
B. Using pyruvate to make energy carriers
C. Producing oxygen for use in photosynthesis
D. Producing large numbers of ATP molecules

Which is an example of a population?

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

49 ! how are energy cycles and growth cycles related?