Glencoe Life Science

Chapter 13: Mollusks, Worms, Arthropods, Echinoderms

Section 2 Self-Check Quiz-Eng.

1
What does the word annelid mean?
A)little rings
B)head-footed
C)jointed foot
D)spiny skin
2
Which one of the following special structures does an earthworm use to grind up soil it ingests?
A)setae
B)intestine
C)gizzard
D)crop
3
Earthworms are hermaphrodites. This means that they produce ___________.
A)only sperm
B)only eggs
C)neither sperm nor eggs
D)sperm and eggs in the same body
4
What annelid worm has a sucker at each end of its body?
A)an earthworm
B)a leech
C)a polychaete
D)a bristleworm
5
One reason segmented worms are important to humans is because some of them __________.
A)drill holes in submerged wood
B)pollinate crops
C)condition and aerate the soil
D)destroy mollusks
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