Flatworms
Roundworms
Annelids
Mollusks
Quiz Questions
100
What is a flatworm?
What is a flatworm? soft, flattened worms that have tissues and internal organ systems
100
What are roundworms?
Are slender; unsegmented worms with tapering ends
100
The body of a annelid is divided into segments that are separated by what?
Septa
100
What are mollusk?
Are soft-bodied animals that usually have an internal or external shell.
100
What are germ layers?
one of the three primary embryonic cell layers.
200
True or False. A flatworm can be both carnivorous and a scavenger?
True
200
From where do roundworms develop from?
From three germ layers
200
What annelids use to get their food?
pharynx
200
Radula
What do snails and slugs use to feed themselves?
200
What are gastropods?
Are shell-less or single shelled mollusks that move by using a muscular foot located on the ventral side.
300
Flatworms depend on what to transport oxygen and minerals to their tissues and remove carbon dioxide and other wastes?
Depend on diffusion
300
What do the nerve system transmit and control?
Transmit sensory information and control movements
300
What do aquatic annelids breathe through?
Gills
300
What is a siphon?
A tube-like structure through which water enters and leaves the body.
300
What are ganglia?
group of nerve cells that control the nervous system .
400
What do flatworms have that detect changes in the amount of light in the environment?
eyespot
400
Along with the fluid in the pseudocoelom these muscles act like what?
hydrostatic skeleton
400
What adaptations for detecting stimuli do annelids have?
Sensory tentacles, chemical receptors, statocysts and two or more pairs of eyes.
400
What are the groups of mollusks?Gastropods, bivalves and cephalopods
Gastropods, bivalves and cephalopods
400
What are the primary host of flukes?
Human
500
What are the two ways that flatworms move?
Cilia and muscle cells
500
What are the four parasitic roundworms?
Filarial worms, trichinosis-causing worms, ascarid worms and hookworms.
500
What are the groups of annelids?
Oligochaetes, leeches and polychaetes
500
Bivalvia have two shells that are held together by one or two powerful what?
Muscles
500
What type of cell do flatworms have that remove excessive water from the body?
Flame cells
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