Which is the lowest level of organization in the enviornment? population organism species community

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

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

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these