Question

select the correct location on the image. according to the phylogeny tree, which phylum of organisms are most closely related to chordates?

Explanation:

To determine the phylum most closely related to Chordata (Chordates), we analyze the phylogeny tree. Phylogenetic relatedness is determined by the most recent common ancestor. Echinodermata (e.g., starfish) and Chordata share a more recent common ancestor (branching after features like endoskeleton, coelom, etc.) compared to other phyla. The tree shows Echinodermata (starfish) is adjacent to Chordata, sharing key evolutionary traits like deuterostome development (implied by the tree's branching near endoskeleton and coelom). Other phyla (e.g., Arthropoda, Annelida) branch off earlier. So Echinodermata (starfish) is most closely related.

Answer:

Echinodermata (the phylum containing starfish, as seen in the phylogeny tree adjacent to Chordata)