About how many phyla of animals are there?
n n n n n n n
a) 10-15n
b) 25-30n
c) 35-40n
d) 45-50n
e) 70-75 - answer-c) 35-40
n n n n
Which is not a feature of Kingdom Animalia?
n n n n n n n
a) Multicellular eukaryotes
n n
b) Have a cell wall
n n n n
c) Ingestive heterotrophs (eat)
n n n
d) Most are motile (move)
n n n n
e) Undergo embryonic development and have tissues - answer-b) Have a cell wall
n n n n n n n n n n n n
When did many of the major, extant animal phyla originate?
n n n n n n n n n
a) Pleistocene of the Cenozoic
n n n n
b) Ediacaran of the Neoproterozoic
n n n n
c) Cretaceous of the Mesozoic
n n n n
d) Cambrian of the Paleozoic
n n n n
e) none of the previous - answer-d) Cambrian of the Paleozoic
n n n n n n n n n n
If an animal has only endoderm and ectoderm
n n n n n n n
a) it has no tissues
n n n n
b) it is triploblastic
n n n
c) it is diploblastic
n n n
d) it is dermally redundant
n n n n
e) none of the previous - answer-c) it is diploblastic
n n n n n n n n n
The trend in which concentrated nervous tissue and sensory organs are located in the
n n n n n n n n n n n n n
anterior end of an organism is called
n n n n n n n
a) bilateral symmetry.
n n
b) radial symmetry.
n n
c) cephalization.
n
d) gemmulization.
n
e) none of the above. - answer-c) cephalization.
n n n n n n n
The tube in a tube body plan is the same as
n n n n n n n n n n
a) having an incomplete gut
n n n n
b) having a complete gut
n n n n
c) having a mouth
n n n
, d) having two tissue layers
n n n n
e) none of these - answer-b) having a complete gut
n n n n n n n n n
Which is not a feature of an animal's body plan?
n n n n n n n n n
a) tissue types in embryos
n n n n
b) body symmetry (plus cephalization and segmentation)
n n n n n n
c) body cavity
n n
d) embryonic development
n n
e) none, all are features of body plan - answer-e) none, all are features of body plan
n n n n n n n n n n n n n n n n
Which occurs during gastrulation?
n n n
a) Blastopore forms
n n
b) Archenteron forms
n n
c) Coelom forms
n n
d) Germ layers are differentiated
n n n n
e) All of the previous - answer-e) All of the previous
n n n n n n n n n n
Which is a feature of a protostome?
n n n n n n
a) Blastopore becomes the mouth
n n n n
b) Triploblastic
n
c) Spiral determinate cleavage
n n n
d) Schizocoelous coelom formation
n n n
e) All of these - answer-e) All of these
n n n n n n n n
Which is the most ancestral animal group?
n n n n n n
a) Porifera
n
b) Ecdysozoans
n
c) Lophotrochozoans
n
d) Deuterostomates
n
e) none of the previous - answer-a) Porifera
n n n n n n n
The three main groups of the Bilateria are the Lophotrochozoa, the Ecdysozoa and the
n n n n n n n n n n n n n
a) Radiata
n
b) Deuterostomia
n
c) Cnidaria
n
d) Porifera
n
e) none of these - answer-b) Deuterostomia
n n n n n n
How do sponges feed?
n n n
a) grazing
n
b) predators
n
c) scavengers
n
d) filter feeders
n n
e) none of the previous - answer-d) filter feeders
n n n n n n n n
Which is true of sponges?
n n n n
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