REVIEW UNIT 1-THE CELL LIFE *There is no def. for life *Life can be characterized by a list of things that we might agree living thing have in common-organized and contain complex chemical substances, Made up of one or more cells, Use Energy, Have a definite form& Limited size, Have a limited life Span, Grow, Respond to changes in the environment, Reproduce, Evolve over time.*Metabolism is all the chemical reaction occurring
in the cell of an organism*All Living things must carry out processes to maitain life and homeostasis- Nutrition, Transport, Respiration, Synthesis and Assimilation, Growth, Excretion, Regulation, Reproduction, Metabolism.CHEMISTRY BASICS *Atoms of the elements are the basic unit of mattter and are composed of protons, neutrons and electrons.*Atomic mass is the sum of the number of protons and nuetrons in an atom.*The number of protons and electrons is the same as the atomic number.*Isotopes of an element differ in the number of nuetrons,*The outer most......

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Title: Bio Notes
Approximate Word Count: 928
Approximate Pages: 4 (250 words per double-spaced page)

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