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Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:

Read the quote from zimmermann in the code book. a future government could inherit a technology infrastructure that's optimized for surveillance, where they can watch the movements of their political opposition, every financial transaction, every communication, every bit of e-mail, every phone call. everything could be filtered and scanned and automatically recognized by voice recognition technology and transcribed. it's time for cryptography to step out of the shadows of spies and the military, and step into the sunshine and be embraced by the rest of us. which question does this paragraph answer? why does zimmermann think encryption is important? what kind of encryption did zimmermann invent? how does zimmermann’s encryption work? who made encryption based on zimmermann’s work?

Read the following scene from trifles. sheriff (chuckling). married to the law. (moves toward the other room.) i just want you to come in here a minute, george. we ought to take a look at these windows. county attorney (scoffingly). oh, windows! sheriff. we’ll be right out, mr. hale. (hale goes outside. the sheriff follows the county attorney into the other room. then mrs. hale rises, hands tight together, looking intensely at mrs. peters, whose eyes take a slow turn, finally meeting mrs. hale’s. a moment mrs. hale holds her, then her own eyes point the way to where the box is concealed. suddenly mrs. peters throws back quilt pieces and tries to put the box in the bag she is wearing. it is too big. she opens box, starts to take the bird out, cannot touch it, goes to pieces, stands there . sound of a knob turning in the other room. mrs. hale snatches the box and puts it in the pocket of her big coat. enter county attorney and sheriff.) county attorney (facetiously). well, henry, at least we found out that she was not going to quilt it. she was going to—what is it you call it, ladies! mrs. hale (her hand against her pocket). we call it—knot it, mr. henderson. what changes might a director or screenwriter make to the original version of this scene in order to best emphasize the mood? cut dialogue from the scene to make it a more appropriate length update the setting to appeal to a more modern-day audience omit the actions of the characters to avoid confusion and chaos include the use of lighting, camera angles, and sound effects