Review questions for Exam #3
Which of the following is not associated with most members of the kingdom
Animalia?
Nervous and muscle tissue
Gap junctions and tight junctions
Sexual reproduction
Autotrophic nutrition
Multicellular
Which of the following distinguishes the heterotrophic nature of animals from that
of fungi?
Heterotrophic and consume decaying organic matter
Heterotrophic by preying on animals
Heterotrophic using enzymes to digest nutrients
Heterotrophic by ingestion
Place these terms in order of occurrence during animal development
Gastrulation
Fertilization
Cleavage
Which of the following would you expect a monkey and a coral to have in
common?
Mesodermally lined body cavity
Hox genes
High degree of cephalization
Bilateral symmetry
Cephalization is primarily associated with______________.
adaptations for negative phototaxis
the fate of the blastopore
bilateral symmetry
complete digestive system
An animal that has no tissues most likely belongs to the phylum___________.
Animals are thought to have evolved from _________________, a group of
colonial protists.
The developmental process which produces the three germ tissues in a
triploblastic animal is known as ______________________________.
The evolutionary process of the aggregation of sensory structures at the anterior
of the animal is known as_________________________________.
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Can a parazoan be diploblastic? Yes or no
Can a eumetazoan be triploblastic? Yes or no
What does sessile mean?
Can a coelomate animal be a protostome? Yes or no
Can a pseudocoelomate animal be a deuterostome? Yes or no
Which of the following describes feed by a typical sponge?
Active fast moving predator
Feeds on decomposing material
Feeds on nutrients and plankton suspended in the water column
Feeds by using symbiotic autotrophic algae
What is spongin?
What feature can distinguish a coelomate animal from a pseudocoelomate?
A body cavity
Bilateral symmetry
A body cavity which is completely lined with mesodermally derived tissue
Hydrostatic skeletons
You examine an animal and find a solid mass of tissue forming the body (except
for the digestive tube). You also find it curious that you can only locate one
opening to the digestive system. This organism is most likely a ___________.
Acoelomate
pseudocoelomate
coelomate
An animal which swims rapidly in pursuit of prey it locates with keen vision is
likely to be all of the following except:
Bilaterally symmetrical
Coelomate
Eumetazoan
Diploblastic
The blastopore is associated with______________.
Zygote
sperm
gastrula
mesoderm
The most ancestral branch in the phylogeny of animals is:
Radial - bilateral symmetry
No cephalization – cephalization
Protostome – deuterostome
True tissues – no tissues
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Which of the following describes the nervous system of a jellyfish?
Brain – spinal cord – lateral nerves
Central ganglia – lateral and longitudinal nerves
Nerve net
Which of the following is characteristic of corals and planarians?
Flame cells
Incomplete digestive system
Diploblastic
Spicules
The ____________ binds the ectoderm to the endoderm in a hydra.
Hydra exhibit the ___________ growth form. In Obelia, the __________ growth
form is sexual, while the sessile __________ growth form is asexual.
The ____________ are specialized cells in a cnidarian used to capture prey.
These cells function by the release of the ____________________, which
penetrates the body of the prey and delivers the venom.
Coral reef ecosystems rely on the actions of tiny cnidarians as they construct the
mineralized coral. The primary mineral in this coral is ___________________.
A Jelly fish would most likely eliminate metabolic waste using_________.
Diffusion or transport across cell membranes into the water
Kidneys
Flame cells
Gonads
Name a non-parasitic flat worm we discussed in lecture___________________.
Name the obligate flatworm parasites which lack a digestive
system_________________.
List the function for each of the following planarian body parts:
Auricles –
Eye spots –
Flame cells –
Pharynx –
Gastrovascular cavity –
Man can serve as the ___________ host of the beef tapeworm; beef cattle can
serve as the ____________________ host.
Name the intermediate host of the blood fluke (Schistosoma) .
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What is the function of the cuticle in a nematode?
What would be the most effective method of reducing the effects of
schistosomiasis?
Ensuring that all vegetables were properly washed before consumption
Properly cooking escargot before consumption
Purify drinking water with iodine
Use of molluscicides to reduce aquatic snail populations
Name the structures or method used for attachment in host by the following
parasites:
Tapeworm
Fluke
Human intestinal roundworm
All nematodes are deadly parasites? Yes or no
What is a cercaria?
Fill in the missing information on the chart of parasites below
Common name
Scientific
name
Location within
final host
Intermediate
host or vector
Guinea worm
Disease; description
Skin irritation; secondary
infection; improper removal
causes severe
inflammation
Ascaris
lumbricoides
Mucosa of
small intestine
None; larvae
spend time in
soil
Anemia, creeping eruption;
canines serve as potential
reservoir
Trichinosis
Human pinworm
Wucheria
bancrofti
Canine heartworms; severe
cardiac disruption
4
List the three main parts of the body of a generalized mollusk:
Describe an open circulatory system.
Which of the following is a bivalve?
Ant
oyster
octopus
snail
fluke
hydra
List the phylum for each animal below:
Fire ant________________________________
Squid__________________________________
American hookworm_________________________
Hydra______________________________________
Sea cucumber________________________________
Leech_______________________________________
Glass sponge____________________________________
Tapeworm_______________________________________
List the function for each of the following related to mollusks
Mantle
Foot
Shell
Radula
Gills
Gonads
Which of the following represents the most advanced group of mollusks?
Bivalves
gastropods
cephalopods
chitons
5
To what (in gastropods) does torsion refer to?
Name the structures responsible for closing the shell in a scallop.
Name the structures in a mussel that are responsible for the movement of water
in and out of the shell and across the body.
The labial palps are located close to the _________________ (mouth/anus).
Which of the following organisms exhibits metamerism?
Snail
Hydra
earthworm fire ant
crab
fluke
What does ecdysis refer to?
In which of the following organisms would you expect to find metanephridia?
Snail
Hydra
earthworm fire ant
crab
fluke
List the three tagma found in a grasshopper and arrange them from anterior to
posterior.
Match the structure on the left with the organism on the right
Flame cells
Sandworm (Nereis)
Parapodium
Chiton
Mantle
Grasshopper
Tracheal tubes
Sea star
Water vascular system
Planaria
The grinding portion of the digestive system of an earthworm is known as the
_________________________.
The reproductive segments of an earthworm form the ___________________.
Name an animal which produces an anticoagulant called hirudin
:______________
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Label each as an endoparasites or ectoparasite:
Tapeworm
`
Leech
Deer tick
Blood fluke
Name the animal phylum with the greatest species diversity._____________
The extinct _____________________ are thought to be the first arthropods.
Spiders have _______ (#) walking legs and ____________ chelicerae
and___________ pedipalps.
Which of the following animals would have biramous appendages?
Black widow
jelly fish
crayfish
squid
Which of the following animals exhibits larvae with different symmetry as
compared to the adult?
Grasshopper
horseshoe crab
sand dollar
Which of the following animals has an endoskeleton?
Grasshopper
horseshoe crab
sand dollar
As related to an earthworm, what are seta?
Name the tagma each on which appendage originates as seen in a crayfish.
Antennae
Uropod
Cheliped
Mandibles
Swimmerets
Maxillipeds
Name the group of arthropods which have wings.
Type of symmetry seen in an adult echinoderm
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Complete the following:
Protostome
Deuterostome
Type of cleavage
Formation of coelom
Fate of blastopore
Included phyla
Describe the type of metamorphosis seen in insects.
Match each organism on the left with the group it belongs to on the right
Crayfish
Scorpion
crustaceans
Tarantula
arachnids
June beetle
myriapods
Mosquito
hexapods
Millipede
Barnacle
Centipede
Which group listed below has no terrestrial forms?
Mollusks
echinoderms
arthropods
annelids
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