What evidence do you have that living organisms require both living (biotic) and nonliving (abiotic) things?

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?