Chapter 1 Review: Question Preview (ID: 364)

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Which of the following is NOT a part of how scientists work?
a) experimenting
b) observing
c) guessing
d) hypothesizing

A theory
a) is always true
b) is the opening statement of an experiment
c) may be revised or replaced
d) is a problem to be solved

Which of the following theories is (are) needed to explain why marsupial mammals are found only in Australia?
a) theory of evolution
b) theory of plate tectonics
c) both a and b
d) neither a nor b

Cell specialization in multicellular organisms allows cell to
a) reproduce
b) perform diffrent functions
c) respond to their environment
d) be less complex

The process by which organisms keep their internal conditions fairly constant is called
a) homeostasis
b) evolution
c) metabolism
d) photosynthesis

In the metric system, the basic unit of length is the
a) centimeter
b) kilometer
c) millimeter
d) meter

How many centimeters are in 2.4 km?
a) 240
b) 2400
c) 24,000
d) 240,000

A compound light microscope
a) is necessary to study biology at the chemical level
b) is required for most experiments
c) can magnify objects up to about 1000 times
d) is an essential tool for producing three-dimensional images

The best instrument to use to separate the liquid portion from the solid portion of whole blood is a (an)
a) compund light microscope
b) centrifuge
c) test tube
d) electron microscope

Scientists publish the details of important experiments so that
a) therir work can be repeated
b) their experimental procedures can be reviewed
c) others can try to reproduce the results
d) all of the above

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