Download File

Introduction to Biology
________________--study of living things
Living things share the following characteristics:
 made up of units called_________
 _____________
 based on a universal ___________ code
 __________ and develop
 obtain and use materials and ______________
 respond to their _____________________
 maintain a____________ internal environment
 _______________ over time
Levels of Organization
Groups of Cells
 Tissues, __________ and organ systems
 _______ --Smallest functional unit of life
 Molecules---Groups of __________; smallest unit of most chemical
compounds