2. There are a group of plants known as Gnetophyta. This group is difficult to p

Question

2. There are a group of plants known as Gnetophyta. This group is difficult to place in a systematic arrangement of the plant kingdom. There are several possible phylogenetic trees, the two most popular are shown below.



The tree on the right that puts the gnetophyta with the coniferophyta is based on molecular biology. The tree on the left that puts gnetophyta more closely related to anthophyta is based on the reproductive structures. Which tree is better and why? A. The tree on the right because the closer two species are related, the more differences they will have in their DNA. B. The tree on the left because the closer two species are related, the more anatomical structures and similarities in their DNA they share. C. The tree on the right because the closer two species are related, the more similarities they will have in their DNA. D. The tree on the left because the closer two species are related, the more anatomical structures they share.

Explanation / Answer

C. The tree on the right because the closer two species are related, the more similarities they will have in their DNA.

As per your details on the right tree, the gnetophytes are sister species of conifers that's true.

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