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ASU BIO 181 Practice Exam 1 with verified answers
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ASU BIO 181 Practice Exam 1 with verified answers
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ASU BIO 181 Practice Exam 1 withverified answers
A Cell __
a.
is the smallest entity studied by biologists.
b.
may be a distinct entity, a building block of a more complex organism, or (as seen among a
few extant species) alternating between these two extreme life styles representing, perhaps,
an evolutionary link between them.
c.
All the statements including this one are correct.
d.
can be composed of many types of tissues.
e.
is found only in plants and animals. - Answer: b.
may be a distinct entity, a building block of a more complex organism, or (as seen among a
few extant species) alternating between these two extreme life styles representing, perhaps,
an evolutionary link between them.
In terms of increasing complexity, the order of parts of a multicellular animal is
a.
tissue, cell, molecule, organ system, organ.
b.
cell, macromolecule, tissue, organ, organ system.
,c.
molecule, tissue, cell, organ, organ system.
d.
tissue, molecule, cell, organ, organ system.
e.
molecule, cell, tissue, organ, organ system. - Answer: e.
molecule, cell, tissue, organ, organ system.
A phylogenetic tree
shows evolutionary relationships.
All of the answers including this one are correct.
relies on evidence from fossils, metabolic processes, and molecular analyses of genomes.
helps us understand the history and relationships of living organisms.
shows the order in which populations split and evolved into new species. - Answer:
All of the answers including this one are correct.
Plants, fungi, and animals have evolved from:
a common eukaryotic ancestor.
inorganic molecules.
endosymbiotic bacteria.
Archaea.
, cyanobacteria - Answer:
a common eukaryotic ancestor.
All living organisms need an input of _______ from their environment.
a. energy
b. food
c. genetic information
d. sunlight - Answer:
a. energy
Viruses
a.
are cellular.
b.
can extract energy from their environment.
c.
can synthesize DNA or RNA on their own.
d.
can reproduce on their own.
e.
can mutate. - Answer:
e.
can mutate.
Eukaryotic cells differ from prokaryotic cells in that the former have
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