BIOLOGY Ch 1 – Biology & You Vocabulary biology, cell, reproduction, metabolism, homeostasis, gene, heredity, mutation, evolution, species, natural selection, ecology, observation, hypothesis, prediction, experiment, control group, independent variable, dependent variable, theory Objectives A. Distinguish between independent and dependent variables B. Relate & describe the seven properties of life to a living organism. C. Describe seven themes that can help you organize what you learn about biology. D. Identify the tiny structures that make up all living organisms. E. Differentiate between reproduction and heredity and between metabolism and homeostasis F. Describe the stages common to scientific investigations. G. Distinguish between forming a hypothesis and making a prediction. H. Differentiate a control group from an experimental group and an independent variable from a dependent variable. I. Define the word theory as used by a scientist.