the answer your looking for :
A. genus and species
hope this helps!!
Those are both examples of ecological services!
This statement <span>''All systems should aim to achieve 99.999-percent up time''</span> is false.
In reality, all systems should aim to achieve an up time of 99.99%
The different between 0.99 and 0.9999 might not seem a lot but if we actually calculate the percentage points it represents and the amount with which we need to improve efficiently, it almost becomes impossible to reach 99.9999% up time.