<span>Archaea are thought to have diverged from some ancient group of _______ bacteria<span><span><span> </span> gram-positive</span></span></span>
Answer:
Without naturally occurring greenhouse gases, Earth's average temperaturewould be near 0°F (or-18°C) instead of the much warmer 59°F (15°C). The concentration of greenhouse gases, especially carbon dioxide and methane, has fluctuated naturallyover geological time scales.
Prairie Grass is the organism that provides energy to all other organisms in the ecosystem.
Answer:
<em>Some enzymes help break large molecules into smaller pieces that are more easily absorbed by the body. Other enzymes help bind two molecules together to produce a new molecule. Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction.</em>
