BIO 200 Final Exam (Past Exams)CORRECT QUESTIONS & ANSWERS(RATED A)
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Course
BIO 200
Institution
BIO 200
Which of the following terms or structures is properly associated only with animals?
a. tissues
b. clustered Hox genes
c. autotrophy
d. sexual reproduction
e. cell wall - ANSWER b. clustered Hox genes
Cephalization is primarily associated with...
a. adaptation to dark environments
b. ...
BIO 200 Final Exam (Past Exams)CORRECT
QUESTIONS & ANSWERS(RATED A)
Which of the following terms or structures is properly associated only with animals?
a. tissues
b. clustered Hox genes
c. autotrophy
d. sexual reproduction
e. cell wall - ANSWER b. clustered Hox genes
Cephalization is primarily associated with...
a. adaptation to dark environments
b. method of reproduction
c. fate of blastopore
d. type of digestive system
e. bilateral symmetry - ANSWER e. bilateral symmetry
You are trying to identify an organism. It is an animal, but it does not have nerve or muscle tissue. It is
neither diploblastic nor triploblastic. It is probably a...
a. round worm
b. sponge
c. hagfish
d. sea jelly
e. mollusc - ANSWER b. sponge
,There is evidence that arthropods invaded land about 150 million years earlier than vertebrates. Based
on new arthropod phylogenic trees, this difference most clearly implies that...
a. arthropods evolved before vertebrates did
b. living terrestrial arthropods are better adapted to terrestrial life than are living terrestrial vertebrates
c. arthropods have had more time to co-evolve with land plants than have vertebrates
d. vertebrates evolved from arthropods
e. ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective
pressure to invade the land - ANSWER c. arthropods have had more time to co-evolve with land plants
than have vertebrates
A student encounters an animal embryo at the eight-cell stage. The four smaller cells that comprise one
hemisphere of the embryo seem to be rotated 45 degrees and lie in the grooves between larger,
underlying cells (spiral cleavage). The embryo may potentially develop into a/n...
a. bee
b. hagfish
c. sea star
d. ostrich
e. flat worm - ANSWER e. flat worm
Acoela is a group characterized as acoelomates, which means that these organisms...
a. have chitinous cuticles
b. have segmentation
c. have no body cavity
d. are deuterostomes
e. have radial symmetry - ANSWER c. have no body cavity
Which of the following do all eukaryotes share?
, a. cell walls made of cellulose
b. chloroplasts
c. alternation of generations
d. heterotrophy
e. none of the above - ANSWER e. none of the above
The traditional three or five kingdom phylogenic classifications of life has been modified with a three
domain system because there are...
a. 3 fundamental mechanisms of intracellular organization
b. 3 different cell division processes
c. 3 fundamental layers
d. 3 fundamental mechanisms of metabolism: fermentation, glycolysis, and photosynthesis - ANSWER a.
3 fundamental mechanisms of intracellular organization
Which of the following about Prokaryotes is true?
a. they cannot adapt to changing conditions
b. they demonstrate a wide variety of metabolic abilities
c. all store their genetic material within a nucleus
d. prokaryotes are not considered living organisms
e. all require a source of organic carbon for their energy and matter - ANSWER b. they demonstrate a
wide variety of metabolic abilities
If two microbes are trying to occupy the same niche, what possible interactions might you expect?
a. they might communication and cooperate to share the area
b. one might produce a toxin that would limit growth of the other
c. they might partition the niche and occupy different parts of the total
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