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Terms in this set (26)
New properties that arise with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases.
Basic unit of matter
A substance made up of atoms of two or more different elements joined by chemical bonds
two or more atoms held together by covalent bonds
A tiny cell structure that carries out a specific function within the cell
Basic unit of life
A group of similar cells that perform the same function.
group of tissues that work together to perform closely related functions
group of organs that work together to perform a specific function
A living thing
A group of individuals that belong to the same species and live in the same area
A group of interdependent organisms inhabiting the same region and interacting with each other
A biological community of interacting organisms and their physical environment.
part of Earth in which life exists including land, water, and air or atmosphere
Endoplasmic Reticulum (ER)
The transportation system of the cell. It moves materials around the cell
chemical in the brain that plays a specialized role in pain reduction
narcotic drug derived from opium, used to treat severe pain
A liquid substance capable of dissolving other substances
A substance that is dissolved in a solution.
Electrons on the outermost energy level of an atom
Compounds composed of only carbon and hydrogen
Two different molecules that have the same chemical formula.
the components of organic molecules that are most commonly involved in chemical reactions
A long molecule consisting of many similar or identical monomers linked together.
Breaking down complex molecules by the chemical addition of water
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