Microscopic organisms live at such extremes that, taking them into consideration, the thickness<span> of the </span>biosphere<span> is much greater. Culturable microbes have been found in the Earth's upper atmosphere as high as 41 km (25 mi).</span>
Step 1: glucose is broken down into 2 molecules of pyruvate
Step 2: Completes breakdown of carbon dioxide, makes small amounts of ATP, provides electrons
Step 3: electron transport chain, chemiosmosis; energy from electrons-- produces 32 ATP
Answer:
B. The animals at each level use energy, so only a small amount of their energy is available to the next level.
Explanation:
