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26 Cards in this Set
- Front
- Back
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Evolution |
Process of change that has transformed life on Earth. |
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Taxonomy |
Names and classifies species into groups. |
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Biology |
Scientific study of life. |
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Population |
Individuals of species living within the bounds of a specified area. |
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The 3 Domains |
Archaea, bacteria, and eukaryote. |
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Eukaryote |
Animalia, plantae, fungi, and protists, |
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Bacteria and Archaea |
Compose prokaryotes. |
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Reason for 2-part name |
Too many organisms would be known by the same name. First name is genus, second is unique. |
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Natural Selection |
Nature "selects" for the propagation on beneficial traits. |
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Element |
Substance that cannot be broken down into simpler substances by chemical reactions. |
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Compound |
When 2 or more elements are bonded together by a chemical reaction. |
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Atomic Number |
Number of protons in an element. |
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Atomic Mass |
Number of protons plus electrons. |
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Non-polar Covalent |
Electrons shared equally between 2 atoms of same element. |
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Polar Covalent |
Unequal sharing between atoms with different levels of electronegativity. |
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Ionic Bond |
A bond between oppositely charged ions. Formed when an electron is removed completely from its atom. |
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Hydrogen Bond |
When a hydrogen atom bonded to one electronegativity atom is also attracted to electronegativity atom. |
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van der Waal's interactions |
Weak bonds. Random positively and negatively charged regions. Rely on close proximity. |
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Covalent Bond's Electrons |
Single bond=1 shared pair Double bond=2 shared pairs |
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Hydroxyl |
OH Alcohol |
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Carbonyl |
C=O Ketone or aldehyde |
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Carboxyl |
C=O and OH Acid |
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Amino |
NH2 Base |
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Sulfhydryl |
SH Thiol |
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Phosphate |
OPO3 Organic phosphate |
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Methyl |
CH3 |
