Question

Based on modern classification, what assumption is being made if all organisms are placed in a single cladogram?

a. Only the most successful organisms are living today.
b. All organisms descended from a common ancestor.
c. Species are categorized based only on DNA sequences.
d. The traditional taxa align perfectly with modern classification criteria.

Answer 1

All organisms descended from a common ancestor.

Answer 2

That is what I was thinking. Thank you, @vivek.pattani :)

Answer 3

for further information read what is cladogram
@cissabelle99