Which of the Following Phyla is Unusual Because It Is

Question

Which of the following phyla is unusual because it is composed of a single species?
A) Gnetophtya
B) Anthophyta
C) Ginkgophyta
D) Coniferophyta
E) Cycadophyta

Accepted Answer

Ginkgophyta is unusual because it is composed of a single living species, Ginkgo biloba, also known as the maidenhair tree.