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Worms!!!
Test Description: Acoelomate and pseudocoelomate worms - flatworms, roundworms, and a variety of other achelminthes
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a class in the phylum Platyhelminthes?
A
Trematoda
B
Kinorhyncha
C
Turbellaria
D
Monogenea
2) Which of the following is true of the phylum Platyhelminthes?
A
They only have lateral muscles
B
They have a pseudocoelom
C
They have a circulatory and respiratory system
D
They can be very colorful and beautiful
3) Which of the following phyla is triploblastic?
A
Kinorhyncha
B
Nematomorpha
C
Platyhelminthes
D
All of the above
4) Which of the following worms is a pseudocoelomate?
A
Horsehair worm
B
Tapeworm
C
Flukeworm
D
Planarian
5) Which of the following group of worms is NOT an acoelomate?
A
Cycliophora
B
Nemertea
C
Turbellaria
D
Nematomorpha
6) Which of the following phyla does NOT have a complete, one-way digestive tract with a mouth and an anus?
A
Platyhelminthes
B
Rotifera
C
Nematoda
D
Nemertea
7) Which of the following is NOT true of the Aschelminthes?
A
Some of them are not worms
B
All of them are pseudocoelomates
C
Some of them are Lophotrochozoans
D
Some of them are Ecysiszoans
8) Which of the following DEFINITELY sheds or molts their cuticle?
A
Ecdysiszoans
B
Lophotrochozoans
C
Pseudocoelomates
D
Aschelminthes
9) Which of the following is NOT true of Nematodes?
A
They only have lateral muscles
B
They move with a whip-like motion
C
They have proglottids that break off
D
They shed or molt their cuticle
10) As juveniles must infect an arthropod, but free-living in freshwater as adults
A
None of these is correct
B
Nematoda
C
Nemertea
D
Nematomorpha
11) Growing up to 30m in length, these non-parasitic worms have a long proboscis with a spike at the end which they use to catch earthworms and crustaceans
A
Nematomorpha
B
Nemertea
C
None of these is correct
D
Nematoda
12) Roundworms; most are common human parasites but a few are free-living.
A
None of these is correct
B
Nematomorpha
C
Nematoda
D
Nemertea
13) These worms are named for their outer covering that makes them appear like a vase filled with flowers
A
Acanthocephala
B
Priapulida
C
Kinorhyncha
D
Loricifera
14) Microscopic worms that live on the mouthparts of lobsters in the North Atlantic
A
Rotifera
B
Cycliophora
C
Priapulida
D
Loricifera
15) These free-living worms are known for their ciliated corona that propels them through water like a rudder. They can reproduce through parthogenesis.
A
Kinorhyncha
B
Rotifera
C
Nemertea
D
Cycliophora
16) These free-living, almost microscopic worms have a cone-like head that can be retracted into their necks.
A
Priapulida
B
Lophotrochozoans
C
Kinorhyncha
D
Acanthocephala
17) These free-living worms can also retract their heads, but they are larger and live in the mud and sand of very cold waters.
A
Priapulida
B
Kinorhyncha
C
Acanthocephala
D
Loricifera
18) Flatworms; many are common human parasites but many are free-living, mostly in water.
A
Nematoda
B
Platyhelminthes
C
Nemertea
D
Turbellaria
19) Spiny-headed worms; named for their short, retractable proboscis covered in spines.
A
Acanthocephala
B
Nematomorpha
C
Rotifera
D
Ecdysiszoans
20) Collectively, worms that have an intracellular cuticle that does not need to be shed/molted.
A
Ecdysiszoans
B
Pseudocoelomates
C
Aschelminthes
D
Lophotrochozoans
*select an answer for all questions
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