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Ch. 1 7th Grade

Classifying & Exploring Life

cell smallest unit of life
homeostasis ability to maintain steady internal conditions when outside conditions change
multicellular made of two or more cells
organism thing that has all the characteristics of life
unicellular made of one cell
binomial nomenclature naming system that gives each organism a two-word scientific name
cladogram branched diagram that shows the relationships among organisms
dichotomous key series of descriptions arranged in pairs that can be used to identify an unknown organism
genus group of similar species
kingdom classification category that ranks above phylum and below domain
species group of organisms that have similar traits and produce fertile offspring
atom building block of matter composed of protons, neutrons, and electrons
compound microscope uses more than one lens to magnify an image
electron microscope use a magnetic field to focus a beam of electrons through an object or onto an object's surface
identify to determine the characteristics of a person or thing
light microscope uses light and lenses to enlarge an image of an object
Created by: SSmith01



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