Notable sports deaths in 2016. A look at those athletes, coaches and sports personalities we lost in 2016. Keion Carpenter. Keion Carpenter, a former NFL player and Virginia Tech defensive back and special teams standout died Thursday, Dec. 29, 2016 in Miami, the school announced. He was 39 and the cause of death is unknown.
Members of the phylum Chordata are bilaterally symmetric, deuterostome coelomates, and the vertebrate chordates display segmentation. Hemichordata, which includes the acorn worms, has been presented as a fourth chordate subphylum, but it now is usually treated as a separate phylum. It, along with the phylum Echinodermata, which includes starfish, sea urchins, sea cucumbers and their kin, are the chordates' closest relatives.
Answers. Best Answer: D. Chordate There are four extant phyla of deuterostomes: Phylum Chordata (vertebrates and their kin) Phylum Echinodermata (sea stars, sea urchins, sea cucumbers, etc.) Phylum Hemichordata (acorn worms and possibly graptolites) Phylum Xenoturbellida (2 species of worm-like animals). Upload failed. 2  Please upload a file larger than 100x100 pixels. 3  We are experiencing some problems, please try again. 4  You can only upload files of type PNG, JPG, or JPEG. 5  You can only upload files of type 3GP, 3GPP, MP4, MOV, AVI, MPG, MPEG, or RM. 6  You can only upload photos smaller than 5 MB.