WorksheetsAnnelids
Total questions: 27
Worksheet time: 13mins
Name
Class
Date
1.
What class / subclass?
a)
Oligochaeta
b)
Polychaeta
c)
Hirudinea
2.
What class / subclass?
a)
Oligochaeta
b)
Polychaeta
c)
Hirudinea
3.
What class /subclass?
a)
Oligochaeta
b)
Polychaeta
c)
Hirudinea
4.
Earthworms have setae, which are like bristles that help them ___.
a)
move
b)
eat
c)
reproduce
5.
A stiff hair, bristle or bristle like process or part on an organism
a)
Ganglia
b)
Setae
c)
Parapodia
d)
Nephridia
6.
Which structure is NOT associated with digestion?
a)
Gizzard
b)
pharynx
c)
nephridia
d)
crop
7.
Which of the following is a thickened segment of the earthworm’s body is used in reproduction?
a)
Septa
b)
Setae
c)
Clitellium
d)
Ganglia
8.
Which of the following is a structure related to excretion in worms?
a)
Ganglia
b)
Gizzard
c)
Nephridia
d)
Crop
9.
The leg-like structures seen in polychaetes are called
a)
Setae
b)
Parapodia
c)
Antennae
d)
Trochophores
10.
Leeches are considered
a)
parasites
b)
filter feeders
c)
poisonous
d)
predators
11.
Earthworms and leeches are
a)
dioecious
b)
hermaphroditic / monoecious
c)
asexual
12.
The structure labeled H is the
a)
Gizzard
b)
Clittelum
c)
Setae
d)
Parapodia
13.
The structures labeled F are the
a)
Nephridia
b)
Pseudohearts
c)
Crop
d)
Setae
14.
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
a)
Annelida
b)
Platyhelminthes
c)
Nemotoda
d)
Nemertea
15.
If present, which type of skeleton is found in worms?
a)
Longitudinal
b)
Circular
c)
Exoskeleton
d)
Hydrostatic
16.
Which phylum of worms are pseudoceolomates?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
17.
Which of the following is the evolutionary advancement first found in annelids?
a)
Three germ layers
b)
A complete digestive system
c)
Cephalization
d)
Coelomates (tube within a tube)
18.
Which phylum contains segmented worms like earthworms and leeches?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
19.
Which phylum is the first to exhibit a closed circulatory system?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
20.
Worms take in oxygen through their
a)
lungs
b)
skin
c)
hearts
d)
mouth
21.
The three main phlya of worms include
a)
roundworms, tube worms, and flat worms
b)
roundworms, flatworms, and segmented worms
c)
flatworms, segmented worms, and marine worms
22.
In a complete digestive tract
a)
the food moves only one way
b)
nutrients are able to be absorbed more efficiently
c)
the anterior end contains the mouth; the posterior end contains the anus
d)
all of these
23.
Which of these is NOT part of the earthworm digestive system?
a)
pharynx
b)
crop
c)
clittelum
d)
gizzard
24.
Which of the following is an example of a segmented worm?
a)
tapeworm
b)
roundworm
c)
Leech
d)
Planarian
25.
The annelid digestive systems is ...
a)
incomplete
b)
complete
c)
closed
d)
opened
26.
What are the hearts in oligochaetes called?
a)
Aortic sanguinems
b)
Pigment pumps
c)
Aortic Arches / pseudohearts
d)
Hearts
27.
Marine worms are the members of class ...
a)
polychaeta
b)
oligochoeta
c)
hirudinea
d)
earthworms
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