Test Bank For Understanding Biology 4th Edition by Kenneth Mason, Tod Duncan, Jonathan Losos Chapter 1-40 Answers are at the End of Each Chapter
Chapter 1 Student name:__________ 1) Science is subdivided into specific areas of study, called disciplines. These divisions are
artificial but are helpful to narrow the massive scope of scientific knowledge to a manageable amount. Given the brief definition of each listed discipline, which is likely to provide the best answer to a question about how fluid dynamics affect blood pressure in mammals? A) Biochemistry—study of chemical reactions needed for life function, usually at the cellular level B) Bioinformatics—use of technology to study and store biological data C) Biophysics—study of biological processes through physics D) Biology—study of life
2) Based on hierarchical levels of biological organization, which represents the broadest level? A) Endocrine system B) Three-toed sloths C) School of piranhas D) Amazon Basin E) Jaguars, giant anteaters, macaws, capybaras
3) Experiments are carried out to test a hypothesis by changing one variable at a time and
including an unchanged variable termed A) an experimental variable. B) an altered variable. C) a control. D) a stable variable.