Name: _______________________________________ Date: _________________

Bio 1030: Study Guide-Chapter One

 

1. Identify what is being described in the following phrase: The network of life or sphere of life on the planet.

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2. What is being described: the process of change that produces the diversity of life on earth?

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3. Identify the following: a concept based on conclusions of observations and experimentation that joins together well-supported and related hypotheses?

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4.What is being described: the maintenance of an internal environment of a cell that varies only within certain limits?

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5. What is being described: the information collected during an experiment or observation?

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6. At what level of organization do populations interact with each other and with the physical environment?

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7. Which one of the following is true regarding an ecosystem? A) Energy cycles and nutrients flow. B) Nutrients cycle and energy flows. C) Energy cycles and nutrients cycle. D) Energy flows and nutrients flow.

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8. What step in the scientific method is being described: the tentative explanation to be tested?

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9. Select from among the following statements the one(s) that is/are true: All living things, including humans, reproduce and grow. DNA is the genetic material and ATP is the energy source of living things. Life has a history of about 3.5 billion years. Humans, unlike all other organisms, are not made of cells.

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10. Which of the following demonstrate(s) the principle that humans tend to modify existing ecosystems for their own selfish purpose? Humans plant crops. Humans clear forests and grasslands. Humans build houses. Humans convert small towns into cities.

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11. Differentiate between a control group and an experimental group.

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12. What is being described: factors that can cause an observable change during the progress of an experiment?

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13. What term is used to describe all members of the same species that populate a certain area?

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14. After formulating a hypotheses, what does a scientist do?

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15. What level of organization includes cells of the same structure and function?

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16. Match each description with a human trait with the key that follows: KEY: A) Human beings are organized. B) Human beings reproduce and grow. C) Human beings have a cultural heritage. D) Human beings are the products of an evolutionary process. E) Human beings are a part of an ecosystem. DESCRIPTIONS: Humans are related to all living things. The human population encroaches on natural habits. Like cells form tissues in the human body. We learn how to behave from our elders.

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17. Which one of the following describes how a principle differs from a theory? A principle has not yet been tested by experimentation. A principle is generally accepted as valid by most scientists. A principle has been tested by experimentation, but the results were not conclusive. A principle is supported by experiments and observations.

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18. After one has performed an experiment and collected data, what is the next step in the scientific method?

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19. How, or by what process is energy brought into ecosystems? Be very specific and careful!!!!!

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20. Which one of the following is an example of chemical cycling? A) Death and decay make inorganic nutrients available to plants. B) We eat and use the nutrients to grow or repair tissues. C) Plants absorb solar energy and make their own food. D) Hawks soar and nest in trees. E)Energy flows through an ecosystem and becomes heat.

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21. How did Marshall meet the third/fourth criteria of Koch's postulates?

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22. What is the causative agent of peptic or stomach ulcers?

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23. Which of the following statements is not correct, or is inaccurate? Humans are vertebrates. Humans belong to the animal Kingdom. Humans evolved from apes. Human and apes evolved from a common ancestor

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24. What is being described: Biological communities together with the associated environment; characterized by energy flow and chemical cycling?

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25. Which one of the following has the MOST amount of validity or certainty associated with it: conclusion, theory or hypothesis?

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26. What is the most inclusive category used to classify organisms?

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