Bio 21 Test 1 Study Guide Exam Questions with Complete Solutions

Identify the shared characteristics of the natural sciences - ANSWER-A. The natural sciences are areas of science related to the physical world B. Often subdivided into the physical (non-living) and life sciences (living) Summarize the steps of the scientific method - ANSWER-Make observation ask a question form a hypothesis make a predication based on hypothesis do the experiment analyze the results check if hypothesis is correct report the results Explain the difference between deductive and inductive reasoning - ANSWER-A. Inductive reasoning uses observations of similar phenomena to generate a more general conclusion B .Deductive reasoning uses a general principle to predict the outcome of an experiment Describe the goals of basic science and applied science Themes and Concepts of Biology - ANSWER-Basic science—uncovering facts about the world without a specific agenda Applied science—also known as "technology," uncovering facts to solve a specific problem Identify and describe the properties of life - ANSWER-1.: Organization and Structure-Organisms maintain an internal order. The simplest unit of organization is the cell. Yeast cells are shown here. 2.Energy use and metabolism-Energy use and metabolism: Organisms need energy to maintain internal order. These algae harness light energy via photosynthesis. 3.Sensitivity: Response to environmental changes 4.Regulation and homeostasis-Organisms regulate their cells and bodies, maintaining relatively stable internal conditions, a process called homeostasis. 5.Growth and development-Growth produces more or larger cells, whereas development produces organisms with a defined set of characteristics. 6.Reproduction-To sustain life over many generations, organisms must reproduce. Due to the transmission of genetic material, off spring tend to have traits like their parents. 7.Biological evolution-Evolution results in traits that promote survival and reproductive success