Biology Exam 1 (chapters 1-5) Best Version with Correct Answers

Cells are - Answer-characteristic of prokaryotic and eukaryotic organisms Prokaryotes are classified as belonging to two different domains. What are the domains? - Answer-bacteria and archaea Which of these provides evidence of the common ancestry of all life? - Answer-near universality of the genetic code Which of the following is/are true of natural selection? - Answer-It requires genetic variation, results in descent with modification and involves differential reproductive success Charles Darwin proposed a mechanism for descent with modification that stated that organisms of a particular species are adapted to their environment when they possess - Answer-heritable traits that enhance their survival and reproductive success in the local environment The best experimental design - Answer-includes a large sample size and a control, and alters only one condition between the controls and the experimental condition Which of the following are qualities of any good scientific hypothesis? I. It is testable II. It is falsifiable III. It produces quantitative data IV. It produces results that can be replicated - Answer-I. It is testable II. It is falsifiable How does a scientific theory differ from a scientific hypothesis? - Answer-Theories are usually an explanation for a more general phenomenon; Hypothesis typically address more scientific issues. Which of these is an example of inductive reasoning? - Answer-Hundreds of individuals of a species have been observed and all are photosynthetic therefore, the species is photosynthetic Why is scientific topic best discussed by people of varying points of view? from different disciplines and representing diverse cultures? - Answer-Robust and critical discussion between diverse groups improves scientific thinking