biol 1406 Collin College -Biology 1406 Final Exam

biol 1406 Collin College -Biology 1406 Final Exam What is homeostasis - correct answer the process whereby living organisms regulate their cells and bodies to maintain relatively stable internal conditions What are the characteristics of living things - correct answer 1. Cells and Organization 2. Energy use and metabolism 3. Response to environmental changes 4. Regulation and homeostasis 5. Growth and Development 6. Reproduction 7. Biological Evolution atom - correct answer the smallest component of an element having the chemical properties of the element molecule - correct answer Two or more atoms held together by covalent bonds. macromolecule - correct answer many molecules bonded together to form a polymer such a polypeptide (carbohydrates, proteins and nucleic acids are examples) cell - correct answer the simplest unit of a living organism, composed of molecules and macromolecules, form larger structures such as membranes tissue - correct answer association of many cells of the same type organ - correct answer two or more types of body tissues combined to perform a common function