BYU Bio 100 Exam 1 Questions and Answers 100% Pass

BYU Bio 100 Exam 1 Questions and Answers 100% Pass **Scientific Method** What are the steps involved in the scientific method? 1. Question 2. Research 3. Hypothesis 4. Experiment 5. Analyze and Conclude **Inductive Reasoning** What does inductive reasoning involve? It involves deriving a general conclusion from many individual facts. **Deductive Reasoning** What is deductive reasoning based on? Deductive reasoning is based on if-then logic, moving from general principles to specific conclusions. **Experiment Qualifications** What are the qualifications for a valid experiment? - It must be testable, not magic. - It should test one prediction and one variable at a time. - It requires controls (a non-altered group). - It should be quantitative, not qualitative. - A large sample size is preferred. **Natural Selection** What does natural selection do? Natural selection maintains inherited characteristics (genes) that help individuals survive and thrive. **Evolution** What is evolution characterized by? Evolution is characterized by change over time, arising from variation among individuals and inheritance of these variations. **Elements** How are elements defined? Elements are substances that cannot be divided and still retain their fundamental properties. Mass equals the sum of protons, neutrons, and electrons, while atomic number equals the number of protons. **Molecule** What constitutes a molecule? A molecule consists of two or more like atoms held together by chemical bonds. **Compound** What defines a compound? A compound consists of two or more different atoms bonded together chemically. **Covalent Bond** What are the characteristics of a covalent bond? A covalent bond is the strongest and most common type of bond, where atoms share electrons (e.g., oxygen to hydrogen in H2O).