KITTIES
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English, 21.06.2019 22:00
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:
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English, 21.06.2019 23:20
What style should a speaker use when preparing a speech for his or her school's parent teacher association? a. excited b. casual c. strict d. formal
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English, 22.06.2019 05:30
Read this excerpt from "the bear." he is in his grave, and i have buried myself between four walls. . we are both dead. what is revealed about character in this quote?
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Mathematics, 26.07.2019 00:00
English, 26.07.2019 00:00
English, 26.07.2019 00:00
English, 26.07.2019 00:00
English, 26.07.2019 00:00
Health, 26.07.2019 00:00