Plylum

Question 1

Acanthocephala. Meaning, Common name, and Distinguishing characteristics Development

Answer 1

Thorny Head, Thorny-headed worms. Reversible spiny proboscis (long nose) that bears many rows of hooked spines. Protostome

Question 2

Annelida Meaning, Meaning, Common name, and Distinguishing characteristics Development

Answer 2

Little ring, Segmented worms. Multiple circular segments. Protostome

Question 3

Arthropoda Meaning, Meaning, Common name, and Distinguishing characteristics Development

Answer 3

Jointed Foot, Insects; crustaceans. Segmented bodies and jointed limbs with Chitin exoskeleton. Protostome

Question 4

Bryozoa Meaning, Common name, and Distinguishing characteristics Development

Answer 4

Moss animals. Sea mats, ectoprocts. Lophophore, no pedicle (organ connecting structure) Ciliated tentacles. Anus outside ring of cilia. Protostome

Question 5

Chaetognatha Meaning, Common name, and Distinguishing characteristics Development

Answer 5

Longhair jaw. Arrow worms. Chitinous spines either side of head, fins. Protostome

Question 6

chordata Meaning, Common name, and Distinguishing characteristics Development

Answer 6

With a notochord. Chordates(mammals ect). Hollow dorsal nerve cord, notochord, pharyngeal slits, post-anal tail. Deuterostome

Question 7

Cnidaria Meaning, Common name, and Distinguishing characteristics Development

Answer 7

Stinging nettle. Jellyfish, sea anemones. Nematocysts(Stinging cells). Other

Question 8

Ctenophora Meaning, Common name, and Distinguishing characteristics Development

Answer 8

Comb bearer. Comb jellies. Eight “comb rows” of fused cilia. Other

Question 9

Cycliphora Meaning, Common name, and Distinguishing characteristics Development

Answer 9

Wheel carrying. Symbion. Circular mouth surrounded by small cilia sac-like bodies. Protostome

Question 10

Echinodermata Meaning, Common name, and Distinguishing characteristics Development

Answer 10

Spiny skin. Star fish. Fivefold radial symmetry in living forms, mesodermal calcified spines. Deuterostome

Question 11

Entoprocta Meaning, Common name, and Distinguishing characteristics Development

Answer 11

Inside anus. Goblet worms(sessile). Anus inside ring of cilia. Protostome

Question 12

Gastrotricha Meaning, Common name, and Distinguishing characteristics Development

Answer 12

Hairy stomach. Gastrotrich worms. Two terminal adhesive tubes. Protostome

Question 13

Hemichordata Meaning, Common name, and Distinguishing characteristics Development

Answer 13

Half Cord. Acorn worms. Stomochord (hollow flexible tube) in collar, pharyngeal slits. Deuterostome

Question 14

kinorhyncha Meaning, Common name, and Distinguishing characteristics Development

Answer 14

Motion Snout, Mud dragons. Eleven segments, each with a dorsal plate. Protostome

Question 15

Loricifera Meaning, Common name, and Distinguishing characteristics Development

Answer 15

Corset bearer. Bush heads. Umbrella-like scales at each end. Protostome

Question 16

Micrognathozoa Meaning, Common name, and Distinguishing characteristics Development

Answer 16

Tiny jaw animals. Limnogathia. Accordion-like extensible thorax. Protostome

Question 17

Mollusca Meaning, Common name, and Distinguishing characteristics Development

Answer 17

Soft. Mollusks. Muscular foot and mantle round shell. Protostome

Question 18

Nematoda Meaning, Common name, and Distinguishing characteristics Development

Answer 18

Thread like. Round worms, thread worms. Round cross section Keratin cuticle. Protostome

Question 19

Nematomorpha Meaning, Common name, and Distinguishing characteristics Development

Answer 19

Thread form, Horsehair worms. External cuticle, no cilia, excretory, respiratory, circulatory systems. only longitudinal muscle, Ventral nerve cord. Protostome

Question 20

onychophora Meaning, Common name, and Distinguishing characteristics Development

Answer 20

Claw bearer. Velvet worms. Legs tipped by chitinous claws. Protostome

Question 21

phoronida Meaning, Common name, and Distinguishing characteristics Development

Answer 21

Zeus’s mistress. Horseshoe worms. U-shaped gut. Protostome

Question 22

Placozoa Meaning, Common name, and Distinguishing characteristics Development

Answer 22

plate animals. trichoplaxes. Differentiated top/bottom surfaces, two ciliated cell layers, amoeboid fiber cells in between. Other

Question 23

Platyhelminthes Meaning, Common name, and Distinguishing characteristics Development

Answer 23

Flat worm. tape worm. Acoelomates (No body cavity) simple bilaterian unsegmented soft-bodied. Protostome.