Annelids Question Preview (ID: 35862)
BIO 2.
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The extension in the digestive tract that increases surface area for absorption is the
a) ilium
b) villus
c) root hair
d) typhlosole
Earthworms are hermaphrodites. This means they
a) have separate sexes.
b) can change from male to female as needed.
c) have male and female organs in each individual.
d) produce larvae.
The clitellum is used in
a) reproduction.
b) excretion of wastes.
c) digestion.
d) locomotion.
Respiration (gas exchange) in earthworms occurs through
a) gills.
b) the body wall.
c) parapodia.
d) lungs.
The thin membranes that separate segments in annelids are called
a) setae.
b) septae.
c) typhlosoles.
d) nephridia.
The distinguishing feature of annelids compared to roundworms is
a) a complete digestive tract.
b) segmentation.
c) sexual reproduction.
d) a tube within a tube body plan.
What type of circulatory system do annelids have?
a) open
b) open and closed
c) closed
d) none
What are the excretory organs of annelids called?
a) kidneys
b) nephridia
c) Malpighian tubules
d) green glands
The bristles on the outside of an annelid that help it move and anchor it in the soil are
a) setae
b) septae
c) pili
d) fimbriae
The respiratory organs found in aquatic annelids are the
a) parapodia
b) book lungs
c) lungs
d) tracheae
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