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What makes something "living"? -gas exchange
-movement
-interacts w environment
-can reproduce
-can adapt/grow/evolve
5 Themes in Book -organiziation
-information
-matter&energy
-evolution
Taxonomy the naming and classification of organisms
Species type of organism
Morphological Species Concept external form
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Biological Species Concept organisms will interbreed and produce normal, fertile
offspring that can survive
Systematics subfield in biology; study of evolutionary relationships
Metabolism overall set of chemical reactions (or energy conversions) that take place in a
cell or organism
Linnaeus person who created Binomial System
How to determine an organisms name? underlined or italicized Genus, species
Hypothesis is tested; can accept or reject
Theory idea that is broadly explanatory and studied many times over many years
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Atoms basic building block of matter
Elements cannot be broken down by chemical reactions
Bohr Model inner, middle, and outer most shell diagram
Protons (+), in nucleus, 1 AMU
Electrons (-), in orbitals or shells, mass is negligible
Neutrons non-charged, in nucleus, 1 AMU
Atomic Number number of protons in nucleus
Mass Number # of protons PLUS # of neutrons
Isotopes different forms of an element that differ by the Mass Number
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Ion a charged particle that forms when atom GAINS or LOSES an electron
Cation POSITIVELY charged ion
Anion NEGATIVELY charged ion
Ionic Bond when cations and anions attract each other
Ionic Compounds compounds formed by IONIC BONDS; "salts"
Covalent Bond SHARING of a pair of valence electrons by two atoms
Molecule two or more atoms held together by COVALENT BONDS
Single Covalent Bonds ONE pair of electrons are shared