Back in the spring of 1955 a teenage girl named claudette colvin and an elderly woman refused to give up their seats in the middle section of a bus to white people. when the driver went to get the police, the elderly woman got off the bus, but claudette refused to leave, saying she had already paid her dime and had no reason to move. when the police came, they dragged her from the bus and arrested her.

the author uses a chronological text structure in this excerpt because it

gives readers a clear picture of the sequence of events.
readers get into the minds of the people described.
readers see the pros and cons of the situation.
gives readers a vivid and detailed description of the bus.

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: