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Platyhelminthes, Nemertea, Gastrotricha Flashcards | StudBud
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Platyhelminthes, Nemertea, Gastrotricha
Platyhelminthes, Nemertea, Gastrotricha
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Review of triploblastic acoelomate phyla for high school zoology
Flashcards
33 cards
F
Practice quiz
P
Host live
L
Questions
33
Answers
1
What structure is "A" indicating?
eyespots
gut
pharynx
neural ganglia
2
Acoelomate animals lack what?
one-way digestive tract
nervous system
sensory organs
body cavity
3
The white organ ejected from this worm's head is called the
opisthaptor
pharynx
proglottid
proboscis
4
This class is named for the fact that one egg will result in the development of a single adult
Tremetoda
Cestoidea
Turbellaria
Monogenea
5
The ciliated larva that emerges from the egg of a fluke is called the
metacercaria
miracidium
cercaria
sporocyst
6
This kind of body plan can be described as
asymmetrical
diploblastic
acoelomate
pseudocoelomate
7
This animals have a posterior attachment organ called the opisthaptor
Turbellaria
Nemertea
Monogenea
Cestoidea
8
The final host in which the adult form of a parasite lives is called
the definitive host
the ultimate host
the intermediate host
seriously unfortunate
9
Animals in this class have the most complicated life cycles in the animal kingdom
Cestoidea
Monogenea
Turbellaria
Tremetoda
10
Animals in the class Tremetoda are collectively known as
flukes
proboscis worms
ribbon worms
tape worms
11
This class of Platyhelminthes primarily is usually found on the gills of fish
Cestoidea
Tremetoda
Monogenea
Turbellaria
12
These animals are characterized by spines, bristles, and scales covering their dorsal surface
Nemerteas
Gastrotrichs
Cestoideas
Turbellarians
13
These animals are the most highly specialized for parasitism
planarians
flukes
ribbon worms
tape worms
14
This organism belongs to which phylum?
Platyhelminthes
Gastrotricha
Nemertea
Cnidaria
15
Which of these categories would include all of the rest?
Animalia
Platyhelminthes
Nemertea
Monogenea
16
Identify the class of this organism.
Cestoidea
Tremetoda
Monogenea
Turbellaria
17
The longest invertebrate in the world belongs to this phylum.
Nemertea
Porifera
Gastrotricha
Platyhelminthes
18
Immature proglottids are found closer to the tape worm's
posterior end
anterior end
19
All of these are classes within Platyhelminthes except
Cubozoa
Tremetoda
Turbellaria
Cestoidea
20
Which of these is not a class?
Turbellaria
Nemertea
Monogenea
Cestoidea
21
The proglottids of a tape worm are specialized for what purpose?
reproduction
digestion
sensing the environment
attachment to the host
22
Tremetodes very often use what animal as an intermediate host?
snails
cows
humans
fish
23
One way that flatworms differ from Cnidarians is that flatworms have
tentacles
a gut
a brain
a mouth
24
Which class of Platyhelminthes is NOT parasitic?
Cestoidea
Monogenea
Tremetoda
Turbellaria
25
What anatomical feature helps Turbellarians regulate the amount of water in their tissues?
gut
pharynx
protonephridia
auricles
26
Freshwater Gastrotrichs often reproduce asexually by way of
fragmentation and regeneration
budding
fission
parthenogenesis
27
This adorable critter belongs to what phylum?
Platyhelminthes
Gastrotricha
Nemertea
Ctenophora
28
What structure is "E" indicating?
lateral nerve cords
pharynx
gut
mouth
29
This structure is unique to what phylum?
Platyhelminthes
Nemertea
Gastrotricha
Cnidaria
30
Which of these groups of animals do not have a digestive system?
Gastrotricha
Nemetera
Turbellaria
Cestoidea
31
The definitive host of most Tremetodes is usually a
small vertebrate, such a rat or bird
fish
large vertebrate, such as a cow or sheep
mollusk (snail)
32
Which of these is NOT a phylum?
Nemertea
Platyhelminthes
Gastrotricha
Tremetoda
33
Which worms have highly segmented bodies?
proboscis worms
Gastrotrichs
tape worms
Turbellarians
