RIO BIO 156 MIDTERM ACTUAL EXAM
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(2025) 100%VERIFIED QUESTIONS AND |\ |\ |\ |\
ANSWERS
Life is organized in a hierarchical fashion. Which one of the
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following sequences illustrates that hierarchy as it increases in
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complexity? - CORRECT ANSWERS ✔✔molecule → cell → tissue → |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
organ → organ system → organism → population → community →
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ecosystem
The tree in your backyard is home to two cardinals, a colony of
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ants, a wasp's nest (a colony of wasps), two squirrels, and
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millions of bacteria. Together, all of these organisms represent -
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CORRECT ANSWERS ✔✔a community |\ |\ |\
The ultimate source of energy flowing into nearly all ecosystems
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is - CORRECT ANSWERS ✔✔sunlight
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A consumer eating a producer represents - CORRECT ANSWERS
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✔✔a transfer of chemical nutrients and energy
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The formation of systems typically results in the appearance of
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novel characteristics called - CORRECT ANSWERS ✔✔emergent
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properties
, A scientist examining a group of cells under the microscope
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notices the presence of nuclei within these cells. Chemical tests
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reveal that each cell is photosynthetic and is surrounded by a
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wall composed of cellulose. These cells must come from an
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organism that is a member of the Kingdom - CORRECT ANSWERS
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✔✔Plantae
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Which one of the following statements is not consistent with
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Darwin's mechanism of natural selection? - CORRECT ANSWERS
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✔✔Individual organisms exhibit genetic change during their life |\ |\ |\ |\ |\ |\ |\ |\
spans to better fit their environment
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A hypothesis is - CORRECT ANSWERS ✔✔a tentative answer to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
some question. |\
A scientist performs a controlled experiment. This means that -
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CORRECT ANSWERS ✔✔two experiments are conducted, one
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differing from the other by only a single variable.
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The nucleus of an atom contains - CORRECT ANSWERS
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✔✔protons and neutrons |\ |\
Your instructor asks you to look into your microscope to see a
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prokaryotic cell. You will be looking for a cell that - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔has a membrane, but no nucleus. |\ |\ |\ |\ |\ |\
Which of the following statements about radioactive isotopes
|\ |\ |\ |\ |\ |\ |\
is/are true? - CORRECT ANSWERS ✔✔The energy emitted by
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
|\ |\ |\ |\ |\ |\
(2025) 100%VERIFIED QUESTIONS AND |\ |\ |\ |\
ANSWERS
Life is organized in a hierarchical fashion. Which one of the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
following sequences illustrates that hierarchy as it increases in
|\ |\ |\ |\ |\ |\ |\ |\ |\
complexity? - CORRECT ANSWERS ✔✔molecule → cell → tissue → |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
organ → organ system → organism → population → community →
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ecosystem
The tree in your backyard is home to two cardinals, a colony of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ants, a wasp's nest (a colony of wasps), two squirrels, and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
millions of bacteria. Together, all of these organisms represent -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔a community |\ |\ |\
The ultimate source of energy flowing into nearly all ecosystems
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
is - CORRECT ANSWERS ✔✔sunlight
|\ |\ |\ |\
A consumer eating a producer represents - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔a transfer of chemical nutrients and energy
|\ |\ |\ |\ |\ |\
The formation of systems typically results in the appearance of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
novel characteristics called - CORRECT ANSWERS ✔✔emergent
|\ |\ |\ |\ |\ |\ |\
properties
, A scientist examining a group of cells under the microscope
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
notices the presence of nuclei within these cells. Chemical tests
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
reveal that each cell is photosynthetic and is surrounded by a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
wall composed of cellulose. These cells must come from an
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
organism that is a member of the Kingdom - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Plantae
|\
Which one of the following statements is not consistent with
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Darwin's mechanism of natural selection? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Individual organisms exhibit genetic change during their life |\ |\ |\ |\ |\ |\ |\ |\
spans to better fit their environment
|\ |\ |\ |\ |\
A hypothesis is - CORRECT ANSWERS ✔✔a tentative answer to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
some question. |\
A scientist performs a controlled experiment. This means that -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔two experiments are conducted, one
|\ |\ |\ |\ |\ |\ |\
differing from the other by only a single variable.
|\ |\ |\ |\ |\ |\ |\ |\
The nucleus of an atom contains - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔protons and neutrons |\ |\
Your instructor asks you to look into your microscope to see a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
prokaryotic cell. You will be looking for a cell that - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔has a membrane, but no nucleus. |\ |\ |\ |\ |\ |\
Which of the following statements about radioactive isotopes
|\ |\ |\ |\ |\ |\ |\
is/are true? - CORRECT ANSWERS ✔✔The energy emitted by
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
