WorksheetsThe Marine Worms
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
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
2.
What type of symmetry do Platyhelminthes bodies have?
a)
bilateral
b)
radial
c)
asymmetrical
d)
both asymmetrical and radial
3.
Flatworms can reproduce
a)
sexually only
b)
asexually only
c)
both sexually and asexually
d)
neither sexually or asexually
4.
Which of the following phyla contains the first acoelomate organisms with three tissue layers?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
5.
Planaria
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
6.
What is an Acoelmate?
a)
Animal with false body cavity
b)
Animal lacking body cavity
c)
Animal with true body cavity
d)
Animal with cavities in its teeth
7.
Which phylum includes hookworms, pinworms, askaris worms and heart worms?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Porifera
8.
Term that describes animals with a hollow, fluid filled cavity completely surrounded by a mesoderm
a)
acoelomate
b)
coelomate
c)
pseudocoelomate
d)
parasites
9.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda
d)
Porifera
10.
Which type of worm is a pseudocoelomate?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Porifera
11.
Which animal is responsible for the first complete digestive system?
a)
Roundworms
b)
Octupus
c)
Thirteen line ground squirrel
d)
Hydra
12.
Most complex worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
13.
Simplest worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
14.
Where would the Endoderm of this organism be found?
a)
Layer 1
b)
Layer 2
c)
Layer 3
d)
Layer 4
15.
What type of body cavity doe the organisms in this picture have?
a)
None
b)
Aceolomate
c)
Psuedoceolomate
d)
Ceolomate
16.
Where is the ceolom located in this organism?
a)
Region 5
b)
Region 4
c)
Region 1
d)
Region 3
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