the complexity of life, combined with our limited knowledge:

always prevents classification
sometimes prevents conclusive classification
is overcome by the science of taxonomy
is circumvented by objective analysis

the dark variety, as they are not visible on the dark tree barks

explanation:

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .

yes, because even though a theory has a  lot of evidence to support it, it is not always true