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25 Cards in this Set
- Front
- Back
In any experiment, one must be certain to:
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Have a suitable control group.
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_______ is the process of the transmission of characteristics from parent to offspring.
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Heredity
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A biologist wants to test the effectiveness of a new food additive on causing growth in mice. An effective control group would be one that:
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was fed the same ration without the food additive.
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The most inclusive group in taxonomy is a:
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domain
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All organisms possess a genetic system that is based on:
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DNA
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Evolution is the genetic change in a species over time.
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True
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We have all heard that dietary fats are linked to higher incidences of heart disease and cancer in humans. Choose the proper hypothesis that a scientist could test.
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Fat levels above 30% of calories are all somehow interrelated.
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Choose the property that is NOT common to all living things.
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Thought
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Who is credited for discovering cells?
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Robert Hooke
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Which of the following is incorrect about experimental variables?
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When graphing data, the independent variable is always presented on the y-axis.
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In a multicellular organism, different tissues that function together are grouped into:
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Organs
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All living things are able to maintain stable internal conditions, whether they are unicellular or complex, multicellular organisms. This property is called:
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homeostatsis
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Which of the following isn NOT an underlying theme of biology?
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Creation
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Which kingdom contains nonphotosynthetic multicellular organisms that digest their food internally?
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Animalia
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Which group includes the simplest of organisms that do not have nucleus?
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Archaea and bacteria
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After Joseph Farman discovered, in 1985, that an ozone hole was developing over Antarctica, scientists measured levels of chemicals in the upper atmosphere. They found a suprising concentration of ozone-destroying:
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Chlorine
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Some living organisms possesss RNA as their only genetic material.
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False
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Scientits employ _____ reasoning when performing the scientific process.
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inductive
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The test of a hypothesis is called a
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experiment
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The proper order for the hierarchy of increasing complexity is:
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Molecule-organelles-cells-tissues-organs
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The_____ of flowering plants and insects is responsible for much of the diversity of these groups.
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coevolution
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Biologists study the diversity of life in manys except the observations of:
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religion
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Which kingdom contains nonphotosynthetic multicellular organisms that digest their food externally?
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Fungi
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The different populations of all th species in a given area make up a
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community
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A scientist wants to study the effect of vitamin C on colds. He recruits 100 people with colds and gives the experimental group 1000 mg of vitamin C per day. What would be an appropriate control?
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Give the control group a pill similar to vitamin C but containing sugar ( a placebo).
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