Keystone species ; this is a species whose presence is critical to the composition and integrity of the community
The second option since the fermentation occurs best at that temperature and you can narrow down a more precise temperature.
NO, they should not.
Erythrocytes, leucocytes, and proteins (albumin)
are not small enough to pass through the capillaries of the
glomerulus unless there is damage to the glomerulus. However, glucose does pass through into the glomerular filtrate. Nonetheless, glucose is fully reabsorbed back in the proximal
convoluted tubule (unless you have severe diabetes).