What product of the krebs cycle is considered a waste product of the reaction?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

How are viruses different from eukaryotic cells?

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body