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WorksheetsPhylum Annelida
Total questions: 27
Worksheet time: 17mins
What class / subclass in the phylum Annelida do earthworms belong to?
Oligochaeta
Polychaeta
Hirudinea
This is a clamworm. To what class / subclass in the phylum Annelida do they belong?
Oligochaeta
Polychaeta
Hirudinea
What class /subclass in the phylum Annelida does this leech belong to?
Oligochaeta
Polychaeta
Hirudinea
Label C points to which structure of the earthworm that is involved with the formation of a cocoon or egg capsule?
ovary
septum
clitellum
gizzard
(earthworms)
(bristle worms)
(leeches)
(roundworms)
Annelids are hermaphrodites. Define this term.
They have three tissue layers.
They have a body cavity.
They produce both egg and sperm.
They can regenerate lost body parts.
Members of the class Hirudinea are considered this because they extract blood from another animal. Means “blood eater”
frugivore
sanguinivore
carnivore
piscivore
The two types of muscles of an annelid are ...
circular
longitudinal
skeletal
cardiac
The term Annelid is based on this Latin word annelus. What does annelus mean?
circle
long
worm
ring
Leeches have these on either end of their body for attaching to their prey/host.
suckers
hooks
spikes
teeth
This structure is found in the digestive system of earthworms and grinds the food.
heart
gizzard
crop
intestine
Why must an earthworm’s skin be kept moist?
for reproduction
as defense against predators
so it can excrete wastes
so it can absorb oxygen
As the mouth is the entrance of the digestive system of an annelid, this structure is the exit.
intestine
parapodia
nephridium
anus
