GENERAL | RESPIRATION/EXCRETION | MOVEMENT/BODY | FEEDING | REPRODUCTION |
---|---|---|---|---|
3 classes
How many classes are there under the phylum- Annelida
|
Skin
Where do land earthworms breathe from?
|
Setae
What is another name for bristles?
|
Proboscis
What do leeches use to suck blood?
|
No, leeches only reproduce sexually
Do all classes of annelids reproduce both sexually and asexually?
|
Hirudinea
What class does leeches come under?
|
Gills
What is the only respiratory organ present in an oligochaete?
|
Coelem
What is the structure filled with fluids inside an oligochaete's body?
|
Gizzard
Which organ is used to grind food?
|
Organism that have both male and female reproductive organs
What are hermaphrodites?
|
Septa
What are the wall like structures that separate the segments of a worm?
|
Nephridia
Name an excretory organ in an annelid?
|
Hydrostatic skeleton
What kind of skeleton do annelids have?
|
Solid and fluid feeders
What kind of feeders are leeches?
|
Clitellum
What is the name of the unsegmented band that produces mucus while mating?
|
There aren't any bristles on leeches.
What is the name for the bristles found on leeches?
|
Yes they can have more than one heart
Do earthworms have a heart?
|
Leeches only have one circular muscle along it's whole body while Oligochetes have as many as their wall divisions
How does an oligochaetes skeleton differs from a leeche's?
|
Pharynx
What is the name given to the jaws of an oligochaete?
|
Sponges perform internal fertilization while it's external for oligochaetes
How do sponges differ from oligochaetes in sexual reproduction.
|
Two
How many openings do annelids have?
|
Closed circulatory system
What kind of circulatory system do oligochaetes have?
|
Setae
What do earthworms use to anchor while burrowing?
|
Worms, fish or other invertebrates
What is a food source for leeches other than blood?
|
4 hours
How long does mating take place on an average?
|