Question

1. what feature of a phylogenetic tree shows a group of organisms that evolved from a common ancestor?

tree
host
branch
clade

Explanation:

A clade is a group of organisms that includes an ancestor and all of its descendants. In a phylogenetic tree, a clade is represented as a branch that includes a common ancestor and all the species that have evolved from it. A tree is the overall diagram, a host is an organism that harbors another organism, and a branch is a part of the tree structure but not specifically the group with a common ancestor.

Answer:

clade