a form of life composed of mutually interdependent parts that maintain various vital processes

a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms

having or consisting of a single cell

composed of several or many cells

the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function

a class of individuals having some common characteristics or qualities; distinct sort or kind

the usual subdivision of a familt in the classification of organisms, usually consisting of more than one species

a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified

a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation.

microscope consisting of an optical instrument

Compare simple microscope an instrument for magnifying small objects, consisting of a lens of short focal length for forming an image that is further magnified by a second lens of longer focal length

a microscope of extremely high power that uses beams of electrons focused by magnetic lenses instead of rays of light, the magnified image being formed on a flurescent screen of recorded on a photographic plate

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Chapter1

Exploring and Classifying Life

Term	Definition
Organism	a form of life composed of mutually interdependent parts that maintain various vital processes
Cell	a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms
Unicellular	having or consisting of a single cell
Multicellular	composed of several or many cells
Homeostasis	the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function
Species	a class of individuals having some common characteristics or qualities; distinct sort or kind
Genus	the usual subdivision of a familt in the classification of organisms, usually consisting of more than one species
Dichotomous Key	a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified
Cladogram	a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation.
Light Microscope	microscope consisting of an optical instrument
Compound Microscope	Compare simple microscope an instrument for magnifying small objects, consisting of a lens of short focal length for forming an image that is further magnified by a second lens of longer focal length
Electron Microscope	a microscope of extremely high power that uses beams of electrons focused by magnetic lenses instead of rays of light, the magnified image being formed on a flurescent screen of recorded on a photographic plate
Bailey	Schwabe

Created by: bschwabe12

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