General info
Symmetry all worms have
Bilateral
Phylum in which the flatworms are in
Platyhelminthes
Phylum in which ribbon worms are in
Nemertea
Phylum in which the giant tube worm is in
Pogonophora
Phylum in which segmented worms are in
Annelid
Outer cell layer in worms
Ectoderm
Only worm with a two-way digestive tract
Planaria
Phylum in which the roundworm is in
Nematoda
Phylum in which the arrow worm is in
Chaetognatha
Muscles in the segmented worm that makes it short
Longitudinal
Middle cell layer in worms
Mesoderm
The two systems planaria doesn't have
circulatory and respiratory
Kind of circulatory system ribbon worms have
Closed
The arrow worm is known for their what?
Bristle Jaw
Specific worm used as fish bait
Bloodworms
Innermost cell layer in worms
Endoderm
Parasite that lives in intestines of fish and others
Tapeworm
The kind of digestion a ribbon worm has
Extracellular
Genus in which the Giant tube worm is in
Riftia
The paddle-like appendages in a sandworm
Parapodita
The vertical zone of water extending from top of the ocean to the bottom
Water column
Parasite that needs to complete its life cycle
Trematodes or flukes
Ribbon worm has a sharp, sticky extension called a
Proboscis
The bacteria living in the giant tube worms uses what chemical compound for chemosynthesis?
Hydrogen Sulfide
Specific worm that cannot get out, but extends its gills for food-getting and gas exchange
Parchment worm