What are the two types of fermentation? 1) lactic acid & ethyl alcohol 2) pyruvic acid and glycolysis 3) lactic acid and pyruvic acid 4) pyruvic acid and ethyl alcohol

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid