1.
The Arthropods… (CATA)
a.
Make up more than 75% of all known
species of animals
b.
Are more widely and more densely
distributed throughout the world than members of all other phyla put together
c.
Are segmented eucoelomate protostomes
with well-developed organ systems
d.
None of the above are correct
2.
The uniquely derived rasping tongue of
the Gastropoda is called the (CATA)
a.
Radula
b.
Odontophore
c.
Mastax
d.
Buccal cavity
e.
None of the above is correct
3.
Chelicerate arthropods have which of
the following? (CATA)
a.
Pedipalps
b.
Antennae
c.
Mandibles
d.
Three pairs of walking legs
4.
Which of the following is found in
the shell secreted by the mantle of the Bivalvia? (CATA)
a.
Periostracum
b.
Nephrostom
c.
Prismaic layer
d.
Nacreous layer
5.
There is a tendency for somites to be
combined into functional groups called…
a.
Segments
b.
Tagmata
c.
Metameres
d.
All of the above are correct
e.
None of the above is correct
6.
Which of the following is mismatched?
(CATA)
a.
Gastropoda – snails, slugs,
nudibranchs
b.
Bivalves – clams, mussels
c.
Polyplacophora – conch, chitin
d.
Cephalopoda – squid, nautilus
7.
T/F – The coelom of arthropods is
reduced in the adults and the circulatory system is open with only a weakly
developed dorsal heart.
8.
T/F – Torsion is a 180 degree
rotation of the body of a Gastropod
9.
Which of the following does not serve
a respiratory function in arthropods? (CATA)
a.
Body Surface
b.
Gills
c.
Tracheae
d.
Book lungs
10. A
potentially disastrous ecological event occurred when ___ were introduced into
the Great Lakes
a.
Leeches
b.
Boring clams
c.
Zebra mussels
d.
Shipworms
11. T/F
– The cuticle is an outer covering secreted by the underlying epidermis.
12. T/F
– In the squids, most of the shell has disappeared, leaving only a thin, horny
strip called the pencil.
13. In
crustaceans, the procuticle is also impregnated with…
a.
Nitrates
b.
Phosphates
c.
Calcium salts
d.
Potassium salts
14. Which
of the following is NOT correct?
a.
The Mollusca have metanephridia for a
circulatory system
b.
Molluscan larvae are primitively a
trochophore, but many have a veliger lavae and some have direct development
c.
The molluscan coelom is reduced
d.
The cephalopods have the most highly
developed molluscan sensory organs
e.
All of the above are correct
15. Which
of the following is incorrect?
a.
Chitin – inert polysaccharide bound
with protein
b.
Nauplius – larval form of Crustaceans
c.
Ecdysis – the actual process of
shedding the old exoskeleton
d.
Metamorphosis – the direct
development of an adult from an egg
16. Which
of the following is mismatched?
a.
Operculum – an opening in the shell
of a gastropod
b.
Torsion – a phenomenon that moves the
mantle cavity and twists the visceral organs
c.
Coiling – a spiral winding of the
shell and visceral mass, different from torsion
d.
Ctenidium – carries out respiration
activities in many gastropods
17. T/F
– Current thinking is that the subphylum Trilobita had their evolutionary origins
before the Cambrian period, and living species today closely resemble those
extinct species from 200 million years ago.
18. T/F
– Many Cephalopods exhibit a closed circulatory system
19. Which
of the following groups does not belong to Subphylum Chelicerata?
a.
Class Merostomata
b.
Class Hexapoda
c.
Class Arachnida
d.
Class Pyconogonidia
20. T/F
– Burrowing shipworms belong to Class Gastropoda
21. Which
of the following groups does NOT belong to the Class Arachnida?
a.
Mites
b.
Ticks
c.
Harvestmen
d.
Scorpions
e.
Sea Spiders
22. Which
of the following is a Characteristic of Phylum Mollusca (CATA)
a.
Mosaic blastula development
b.
Mantle cavity that houses the
ctenidia
c.
Protonephridia for waste excretion
d.
Digestive, Excretory &
Reproductive systems
23. T/F
– Arachnid tagmata consist of a cephalothorax and abdomen.
24. Which
of the following has both trochophore and veliger larvae stages (CATA)
a.
Polyplacophora
b.
Gastropoda
c.
Bivalvia
25. Which
of the following is NOT correct?
a.
Spiders seize their prey with their
chelicerae and inject venom
b.
The anterior chewing appendages on
the head are called mandibles
c.
All spiders are predators
d.
Spiders usually have eight simple
eyes
26. T/F
– Most molluscs are dioecious but a few are hermaphroditic.
27. Class
Gastropoda has the following modifications (CATA)
a.
A 180 degree body coiling
b.
A reduction of the mantle cavity
c.
An increase in the number of gills
d.
Restricted water flow
28. T/F
– Class Bivalvia have an enlarged mantle cavity and a spade-like foot
