#1 Excel tutorial on the net. This example illustrates the ISERROR function in Excel. 1. For example, Excel displays the #DIV/0! error when a formula tries to divide a number by 0. The ISERROR function checks whether a value is an error and returns TRUE or FALSE. 2. Use the IF and the ISERROR function.
Ticks are also capable of surviving winter temperatures when they are able to find a host to feed from or a warm location to hide in during the coldest weather months. Generally, adult ticks will still be a threat when temperatures hover around 45 degrees Fahrenheit.
Blacklegged ticks live two to three years and have three blood meals. The life cycle begins when the female lays eggs. As the eggs mature, they develop into larvae, then nymphs, and finally adults. Diagram: Two-Year Life Cycle of the Blacklegged Tick. (Ixodes scapularis, also known as the Deer Tick or Bear Tick)