What is the first stage of cellular respiration? a: splitting of pyruvic acid b: oxidation of nadh c: glycolysis d: krebs cycle

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

If a grape were placed in a hypertonic solution what would happen and why?