I have the following microorganism and I need to make a dichotomous key and use tests to break them up. I don't know what the best test is. - Bacillus subtilis
- Bacillus megaterium
- Clostridium Sporogens
- Corinebaterium xerosis
- Geobacillus stearothermophilus

Please help.

One group of reptiles, characterized by the fossil ark metal x

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.