segmented worms
Terms
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- annelid means...
- "little rings"
- _____ shaped bodies
- tube
- setea are...
- bristle like structures
- how do worms use setea?
- It holds onto the soil with it's setea to move
- _____ symmetry
- bilateral
- body cavity...
- holds the organs
- two body openings...
- mouth and anus
- anterior... posterior...
- front end back end
- more than ___ body segments
- 100
- move using...
- setea and muscles
- soil enters the ____, then moves to the ____
- mouth, crop
- The _____ grinds the soil
- gizzard
- The _____ is where organic matter is broken down and _____ are absorbed
- intestine, nutrients
- Wastes/castings leave through ___, piling up at the opening of the ______
- anus, burrow
- they have a _____ circulatory system
- closed
- What pumps the blood?
- Aortic arches. They are like hearts
- they have no ___ or ___
- gills or lungs
- Do they have a brain?
- yes
- True or false. they are not hermeprodites
- false
- What are polchaetes?
- marine worms
- What does polychaete mean?
- many bristles
- What do they feed on?
- blood of other animals
- What is anesthetic?
- numbs skin so you don't feel it's bite
- leech _____ helps keep blood from clotting
- saliva
- saliva is being studied to treat...
- heart of circulatory deseases, strokes, arthritis or glaucoma
- What do they do to the soil?
- aerate it
- They speed up the return of _____ to the soil for plant use
- nutrients
- some are food for...
- fish, invertibrates and mammals
- there are not many fossil records because of their...
- soft bodies
- There are similarities between...
- segmented worms and mollusks