Answer:
the answer is A
Explanation:
i just did this in class, i hope this helps!!
The phylogenetic tree is commonly used by biologists to study evolutionary relationships between organisms and their ancestors. To add up, it is a diagram that branches the "phylogeny" of a single organism which could be very significant and determining on how genetically different or similar they are to their ancestors.
What on earth, please repeat the question clearer
There is not any options but the parts of Lac Operon is:
Promoter
Repressor
Operator
Genes
Hope this helps!
Stage 3 because the person fev1 level is go down not up