Aorganism is both male and female at the same time.
a. bilateral
b. hermaphroditic
c. pharynx
d. bisexual

hermaphroditic

Explanation:

The definition is:

In reproductive biology, a hermaphrodite (/hɜːrˈmæfrədaɪt/) is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes. Many taxonomic groups of animals (mostly invertebrates) do not have separate sexes.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation