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BJU Life Science 2

Bob Jones Life Science - Chapter 2

TermDefinition
kingdom In the modern classification system, the largest group of living organisms.
phylum In the modern classification system, a subdivision of a kingdom; includes one or more classes of organisms.
class In the modern classification system, a subdivision of a phylum; includes one or more orders of organisms.
order A subdivision of a class; includes one or more families of organisms.
family A subdivision of an order; includes one or more genera of organisms.
genus In the modern classification system, a subdivision of a family; includes one or more species of organisms.
species A group of similar organisms that interbreed and produce offspring capable of reproducing.
scientific name The unique two-word name of a particular organism. Also called genus-species name. Genus name is capitalized, and the entire name is written in Latin and italics.
biblical kind The grouping of organisms, established by God, that are able to breed among themselves and produce offspring.
cell The tiny, living, structural, and functional unit of all living things; the smallest unit that can be alive.
unicellular A living thing composed entirely of one cell.
multicellular A living thing that is composed of more than one cell and whose individual cells are not normally able to live singly apart from the organism.
energy The ability to do work.
cell theory The theory that all living things are made up of microscopic units called cells and that cells carry on the functions of living things.
molecule The smallest unit existing as a particular substance.
carbohydrate A substance that contains only carbon, hydrogen, and oxygen, e.g. sugar or starch.
lipid A substance such as fat or oil; not soluble in water; an important component of membranes.
protein A substance made of long chains of amino acids; may serve as an enzyme or as a cellular building block; found in certain foods.
nucleic acid A molecule that contains the genetic information of a cell; DNA and RNA are the main types.
taxonomy The science of classifying organisms
Created by: marchscience
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