Please help me I'm taking a quiz

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Number and variety of living organisms includes genetic, species, and ecological types