read the article and answer the following questions

the article:
https://www.nature.com/scitable/topicpage/trait-evolution-on-a-phylogenetic-tree-relatedness-41936

1) When will natural selection favor the fixation of a mutant
allele in a population?

2) From Fig. 4, which species is more closely related to the
lizard – humans or armadillos? Explain your answer.

3) What is wrong with the following statement? “Humans evolved
from monkeys.” How would you correct it?

4) From an evolutionary perspective, which is more advanced, a
human or bacterium? Explain your reasoning.