Campbell 12th EditionCh. 1 - Evolution, the Themes of Biology, and Scientific InquiryProblem 3
Chapter 1, Problem 3
Which of the following best demonstrates the unity among all organisms? a. emergent properties b. descent with modification c. the structure and function of DNA d. natural selection
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All the organisms on your campus make up a. an ecosystem. b. a community. c. a population. d. a taxonomic domain.
Systems biology is mainly an attempt to a. analyze genomes from different species. b. simplify complex problems by reducing the system into smaller, less complex units. c. understand the behavior of entire biological systems by studying interactions among its component parts. d. build high-throughput machines for the rapid acquisition of biological data.
A controlled experiment is one that a. proceeds slowly enough that a scientist can make careful records of the results. b. tests experimental and control groups in parallel. c. is repeated many times to make sure the results are accurate. d. keeps all variables constant.
Which of the following statements best distinguishes hypotheses from theories in science? a. Theories are hypotheses that have been proved. b. Hypotheses are guesses; theories are correct answers. c. Hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. Theories are proved true; hypotheses are often contradicted by experimental results.
Which of the following is an example of qualitative data? a. The fish swam in a zigzag motion. b. The contents of the stomach are mixed every 20 seconds. c. The temperature decreased from 20°C to 15°C. d. The six pairs of robins hatched an average of three chicks each.