Here are the answers to your questions:
Question 1:
A) Fossils are used to study
organisms that once lived.
Question 2:
A) A phylogenetic tree can be constructed for
animals, plants, and bacteria.
Question 3:
A) One difference between a family tree and a phylogenetic tree is
a family tree includes one subset of a single species, while a phylogenetic tree includes multiple species.
Question 4:
A) A phylogenetic tree is arranged
chronologically from bottom to top.