Exam (elaborations)
Bio 182 Exam 2 Q&A.
- Course
- BIO 182
- Institution
- Arizona State University
Exam of 9 pages for the course BIO 182 at Arizona State University (Bio 182 Exam 2 Q&A.)
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Bio 182 Exam 2 Q&AAbout how many phyla of animals are there?
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a) 10-15n
b) 25-30n
c) 35-40n
d) 45-50n
e) 70-75 - answer-c) 35-40
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Which is not a feature of Kingdom Animalia?
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a) Multicellular eukaryotes
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b) Have a cell wall
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c) Ingestive heterotrophs (eat)
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d) Most are motile (move)
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e) Undergo embryonic development and have tissues - answer-b) Have a cell wall
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When did many of the major, extant animal phyla originate?
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a) Pleistocene of the Cenozoic
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b) Ediacaran of the Neoproterozoic
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c) Cretaceous of the Mesozoic
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d) Cambrian of the Paleozoic
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e) none of the previous - answer-d) Cambrian of the Paleozoic
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If an animal has only endoderm and ectoderm
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a) it has no tissues
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b) it is triploblastic
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c) it is diploblastic
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d) it is dermally redundant
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e) none of the previous - answer-c) it is diploblastic
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The trend in which concentrated nervous tissue and sensory organs are located in the
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anterior end of an organism is called
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a) bilateral symmetry.
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b) radial symmetry.
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c) cephalization.
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d) gemmulization.
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e) none of the above. - answer-c) cephalization.
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The tube in a tube body plan is the same as
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a) having an incomplete gut
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b) having a complete gut
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c) having a mouth
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, d) having two tissue layers
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e) none of these - answer-b) having a complete gut
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Which is not a feature of an animal's body plan?
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a) tissue types in embryos
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b) body symmetry (plus cephalization and segmentation)
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c) body cavity
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d) embryonic development
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e) none, all are features of body plan - answer-e) none, all are features of body plan
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Which occurs during gastrulation?
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a) Blastopore forms
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b) Archenteron forms
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c) Coelom forms
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d) Germ layers are differentiated
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e) All of the previous - answer-e) All of the previous
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Which is a feature of a protostome?
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a) Blastopore becomes the mouth
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b) Triploblastic
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c) Spiral determinate cleavage
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d) Schizocoelous coelom formation
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e) All of these - answer-e) All of these
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Which is the most ancestral animal group?
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a) Porifera
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b) Ecdysozoans
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c) Lophotrochozoans
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d) Deuterostomates
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e) none of the previous - answer-a) Porifera
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The three main groups of the Bilateria are the Lophotrochozoa, the Ecdysozoa and the
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a) Radiata
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b) Deuterostomia
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c) Cnidaria
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d) Porifera
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e) none of these - answer-b) Deuterostomia
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How do sponges feed?
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a) grazing
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b) predators
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c) scavengers
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d) filter feeders
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e) none of the previous - answer-d) filter feeders
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Which is true of sponges?
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