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BIO 156 Midterm Review RIO Exam Prep Questions And Answers ()
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BIO 156 Midterm Review RIO Exam Prep Questions And Answers(202472025)
Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that
hierarchy as it increases in complexity? - ✔✔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 - ✔✔a
community
The ultimate source of energy flowing into nearly all ecosystems is - ✔✔sunlight
A consumer eating a producer represents - ✔✔a transfer of chemical nutrients and energy
The formation of systems typically results in the appearance of novel characteristics called -
✔✔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
- ✔✔Plantae
Which one of the following statements is not consistent with Darwin's mechanism of natural
selection? - ✔✔Individual organisms exhibit genetic change during their life spans to better fit
their environment
A hypothesis is - ✔✔a tentative answer to some question.
A scientist performs a controlled experiment. This means that - ✔✔two experiments are
conducted, one differing from the other by only a single variable.
The nucleus of an atom contains - ✔✔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 - ✔✔has a membrane, but no nucleus.
Which of the following statements about radioactive isotopes is/are true? - ✔✔The energy emitted
by radioactive isotopes can break chemical bonds and cause molecular damage in cells.
The smallest unit of an element is - ✔✔an atom.
In conducting a proper scientific experiment, which of the following would you not do? -
✔✔Change the data that you collect so that it matches how you thought the experiment would
come out.
A(n) __________ forms when two atoms share electrons. - ✔✔covalent bond
The term biodiversity refers to - ✔✔the tremendous variety of life all around us on Earth.
In plants, the transport of water from roots to leaves against the force of gravity is possible due to
this property of water: - ✔✔Cohesion.
The ability of water molecules to form hydrogen bonds with other water molecules is critical to -
✔✔-evaporative cooling of skin surfaces
-the movement of water from the roots of a tree to its leaves.
-the milder temperatures of coastal regions compared to inland areas.
-the ability of certain insects to walk on the surface of water
As ice melts, - ✔✔hydrogen bonds are broken
A solute is - ✔✔the substance that is dissolved in solution.
Compared to a solution of pH3, a solution of pH1 is - ✔✔100 times more acidic.
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