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WorksheetsMarine Worms Practice
Total questions: 25
Worksheet time: 17mins
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
Annelida
Platyhelminthes
Nemotoda
Nemertea
What type of symmetry do Platyhelminthes bodies have?
bilateral
radial
asymmetrical
both asymmetrical and radial
A stiff hair, bristle or bristle like process or part on an organism
Ganglia
Setae
Nerve Net
Nephridia
This Bobbit worm has a segmented body. What Phylum of Marine Worm would that be?
Platyhelminthes
Annelida
Tube Worm
Nematoda
Name this common Hawaiian Flat Worm:
Zebra Flat Worm
Toad Flat Worm
Striped Flat Worm
Potato Flat Worm
Name this Hawaiian Marine Worm and its Phylum:
Ribbon Worm; Nemertea
Ribbon Worm; Annelida
Common Round Worm, Nematoda
Common Round Worm, Nemertea
Name this common Hawaiian Annelid Worm:
Zebra Flat Worm
Feather Duster Worm
Striped Flat Worm
Christmas Tree Worm
Name this common Hawaiian Annelid Worm:
Zebra Flat Worm
Feather Duster Worm
Striped Flat Worm
Christmas Tree Worm
What purpose does the eyespot have on flatworms?
to sense light and dark
to see shape and color of prey
they don't have an eyespot
to sense food or prey using chemoreceptors
only free-living class of flatworms; mostly marine, some freshwater, and a few are terrestrial; marine forms are often very colorful
Class Turbellaria
Class Trematoda
Class Cestoda
Class Monogenea
Sensory receptors that allow an animal to sense chemicals in the environment, specifically for food, predators, & mates (look like ear-like projections)
scolex
ocelli
gastrovascular cavity
chemoreceptors
Identify the structure labeled D.
Clitellum
Prostomium
Proboscis
Male Pore
The endoderm on a worm is the:
Innermost tissue layer (or "inside skin")
Outermost tissue layer (or "outer skin")
The area on the head only
Middle tissue layer(or "middle skin")
