Question

23 POINTS, NEED ASAP

According to the phylogenetic tree, which two phyla are most closely related?


A. Chordata and Mollusca

B. Cnidaria and Nematoda

C. Annelida and Arthropoda

D. Platyhelminthes and Echinodermata

Answer 1

The most related phyla according to phylogenic tree are:

• Chordata and Echinodermata

• Arthropoda and Nematoda

• Mollusca and Annelida.

A phylogenetic tree is a diagram that shows the evolutionary relationships among various biological. It is based upon similarities and differences in their physical or genetic characteristics.

Answer 2

Option C is correct.

C. Annelida and Arthropoda

Step-by-step explanation:

Annelida and Arthropoda are the phyla belong to the kingdom Animalia. In these both phylum animals are consist of segmented bodies. But the animals in Annelida consists of a hydrostatic skeleton whereas the animals in Arthropoda consist of exoskeleton made up of chitin.