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1 | |
One of these is not a requirement of living things. Choose that trait. |
| | A) | organization |
| | B) | ability to think |
| | C) | maintenance of internal constancy |
| | D) | response to the environment |
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2 | |
Presently, humans define death by ____________. |
| | A) | the point at which breathing stops |
| | B) | no discernible heartbeat |
| | C) | lack of brain activity |
| | D) | no pulse in the extremities |
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3 | |
True or false. At most levels, and in all but certain types of organisms, structure is closely related to function. |
| | A) | True |
| | B) | False |
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4 | |
Which of the following statements best describes “emergent properties”? |
| | A) | The properties of individual molecules which perform a specific chemical function. |
| | B) | The function of a group of molecules is more than the abilities of a single molecule in the group. |
| | C) | The magical interaction of molecules in water. |
| | D) | All of these statements are examples of “emergent properties”. |
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5 | |
True or false. Living organisms require some form of energy in order to survive, reproduce, and maintain their cellular organization. |
| | A) | True |
| | B) | False |
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6 | |
Organisms that obtain their energy by eating other organisms, living or dead, are called _____________. |
| | A) | producers |
| | B) | consumers |
| | C) | decomposers |
| | D) | Both “B” and “C” are correct. |
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7 | |
True or false. Homeostasis is defined as the maintenance of the cell’s external environment such that optimal growth and acquisition of food (the processes of life) can occur. |
| | A) | True |
| | B) | False |
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8 | |
The accumulation of adaptive traits in a population of individuals is a result of ____________. |
| | A) | evolution |
| | B) | irritability |
| | C) | natural selection |
| | D) | reproduction |
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9 | |
All of the organisms found on earth, regardless of the strange and exotic places in which they are found, comprise the earth’s ____________. |
| | A) | biodiversity |
| | B) | ecosystem |
| | C) | biosphere |
| | D) | population |
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10 | |
The term “Animalia” refers to the ______________ to which numerous organisms belong. |
| | A) | kingdom |
| | B) | phylum |
| | C) | domain |
| | D) | genus |
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11 | |
True or false. DNA’s ability to mutate provides the variation upon which natural selection may act. |
| | A) | True |
| | B) | False |
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12 | |
What is a “theory” in biology? |
| | A) | an educated guess |
| | B) | similar to a hypothesis |
| | C) | a systematically-organized body of knowledge that applies to a variety of situations |
| | D) | the usual conclusion of an experiment |
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13 | |
The process of answering questions through observation, reasoning, prediction, and testing is called ______________? |
| | A) | the scientific method |
| | B) | hypothesis testing |
| | C) | experimentation |
| | D) | science |
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14 | |
True or false. A hypothesis is always set up as a non-testable statement. |
| | A) | True |
| | B) | False |
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15 | |
True or false. An experiment can disprove the hypothesis but can never prove it. |
| | A) | True |
| | B) | False |
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16 | |
True or false. It is always possible to have a large sample from which to draw data. |
| | A) | True |
| | B) | False |
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17 | |
To eliminate alternative explanations, a good experiment must include a _________________. |
| | A) | treatment |
| | B) | hypothesis |
| | C) | design |
| | D) | control |
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18 | |
The term used to describe an experimental control used in medicinal trials in which the test drug is replaced by an inactive substance is called a __________. |
| | A) | placebo |
| | B) | variable |
| | C) | fraud |
| | D) | sugar pill |
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19 | |
An experimental trial in which neither researchers nor subjects know whether the test substance is real or is a placebo is called __________. |
| | A) | an experimental variable |
| | B) | double blind |
| | C) | an experimental control |
| | D) | random |
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20 | |
True or false. Scientific discoveries do not depend on our willingness to accept unusual ideas. |
| | A) | True |
| | B) | False |
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