Biology 1406 Final Exam | 715 Questions and Answers(A+ Solution guide)

What is homeostasis - the process whereby living organisms regulate their cells and bodies to maintain relatively stable internal conditions What are the characteristics of living things - 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 - the smallest component of an element having the chemical properties of the element molecule - Two or more atoms held together by covalent bonds. macromolecule - many molecules bonded together to form a polymer such a polypeptide (carbohydrates, proteins and nucleic acids are examples) cell - the simplest unit of a living organism, composed of molecules and macromolecules, form larger structures such as membranes tissue - association of many cells of the same type organ - two or more types of body tissues combined to perform a common function organism - a living thing that maintains an internal order that is separated from the environmentpopulation - group of individuals of the same species that occupy the same environment and can interbreed with one another community - an assemblage of populations of different species that live in the same place at the same time ecosystem - the biotic community of organisms in an area as well as the abiotic environment affecting the community