Practice_Exam_questions_BS_162_Exam_1_20-1

Practice_Exam_questions_BS_162_Exam_1_20-1 - Practice Exam...

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Practice Exam questions for Exam 1, BS 162 SS12 (Key follows) From Descent with Modification through Community Ecology I lecture. Note: these are for practice only, to help you determine if you are prepared for the exam and to give you an idea of the kinds of questions you can expect. You will need to study the lecture notes thoroughly in order to do well. 1. What is true of the term descent with modification? a. It refers to the process of biological change b. It is often referred to as the greatest unifying principle in biology c. It explains how every living thing arose d. All the above 2. Natural selection a. Is equivalent to descent with modification b. Is one mechanism of evolution c. Refers to the process of passing on environmental variation to offspring d. Is based partly on the fact that organisms produce just enough offspring to replace themselves 3. Which area of study does not provide strong support for evolution? a. Morphology b. Molecular biology c. Geology d. Chemistry e. All of the above provide strong support for evolution 4. Which is not a shared characteristic of living things? a. Single-celled b. Contain DNA c. Evolve d. Regulate internal environment e. Extract energy from environment 5. What is true of living things? a. All display all the characteristics of life all the time b. They must reproduce sexually c. They must all gain their energy from primary producers d. They are recognizable, self-contained individuals 6. Which is not a possible condition for living organisms? a. Multicellular b. Unicellular c. Colonial d. Non-cellular
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7. Which is a true statement? a. Tissues are made up of organ systems b. Organ systems make up organisms c. Tissues are organized into organ systems d. Organs are organized into tissues 8. Which event occurred/evolved first? a. Aerobic metabolism b. Packaging of cells into membranes c. Evolution of eukaryotes d. Evolution of photosynthesis 9. The Tree of Life a. Is a way of arbitrarily arranging organisms b. Is not meant to reflect actual events or relatedness c. Shows which organisms are most closely related to each other d. determines which species have gone extinct 10. Scientists study fruit flies mainly because a. they are among the most economically important species on earth b. they share about 98.6% of our DNA c. discoveries made using fruit flies often generalize to others such as humans d. they are the smallest insect on earth 11. Which is true of the scientific method? a. Scientists always use the same steps to answer any research question b. Observation is frequently involved c. Experimentation is always involved d. Hypothesis-testing is rarely involved 12. Scientific research can a. Never result in falsification of an hypothesis b. Prove results beyond question c. Lead to further analyses d. Falsify hypotheses 13. Ecology is a. The same as environmentalism b. Divided into several levels of analysis c. A group of individuals of a single species occupying a particular area at the same time
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Practice_Exam_questions_BS_162_Exam_1_20-1 - Practice Exam...

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