1. Echinoderms are the only invertebrate group of   ______ . Echinoderm comes from echino-, meaning "spiny," and -derm, meaning "skin." Most echinoderms have some type of spine embedded in their skin. For some species, such as the sea urchin, these spines are very large, but for other species, such as the starfish, these spines may be very small. protostomes  deuterostomes acoelomates  2. Like all starfish, the crown-of-thorns starfish is ____. spirally  bilaterally  radially

choose 2 fron the choices

Tapeworms  ______                                                           Clams ______                                                              Mammals _______                                              Earthworms _______                                       Round worms ______ Sea urchins _______                                      Protostome or Deuterostome ?

ABCDEF GH 1 Echinoderm phylum A Verts that can lay E "Gnathostomes" = shelled eggs or have placenta. Clade called the: vertebrates with what? 2 Chordate 8 Verts with four F Subphylum limbs, a clade called consisting of what animals? the: Chordate 9. C Verts that can subphylum breathe air consisting of what animals? Chordates that clade formerly used only for bony fish; 4 10 Phylum Chordata all of makes lots of slime: whom have at least now used for all the following 4 verts with bone: features: Verts that latch 11 onto other animals as ectoparasites: