Life is organized in a hierarchical fashion

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Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that hierarchy as it increases in complexity?

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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

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The ultimate source of energy flowing into nearly all ecosystems is

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A consumer eating a producer represents

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The formation of systems typically results in the appearance of novel characteristics called

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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

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Which one of the following statements is not consistent with Darwin’s mechanism of natural selection?

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A hypothesis is

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A scientist performs a controlled experiment. This means that

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The nucleus of an atom contains

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Your instructor asks you to look into your microscope to see a prokaryotic cell. You will be looking for a cell that

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Which of the following statements about radioactive isotopes is/are true?

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The smallest unit of an element is

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In conducting a proper scientific experiment, which of the following would you not do?

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A(n) __________ forms when two atoms share electrons.

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The term biodiversity refers to

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In plants, the transport of water from roots to leaves against the force of gravity is possible due to this property of water:

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The ability of water molecules to form hydrogen bonds with other water molecules is critical to

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As ice melts,

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A solute is

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Compared to a solution of pH3, a solution of pH1 is

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Carbon is able to form an immense diversity of organic molecules because of carbon’s

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Many names for sugars end in the suffix

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Which one of the following lists contains only polysaccharides?

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A diet high in animal products may increase the risk for atherosclerosis. This is because

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Sucrose is formed

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DNA differs from RNA because DNA

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Glucose molecules are to starch as __________ are to proteins.

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Nucleotides

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Genetic information is encoded in the

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