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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, 22.06.2019 03:00
What is the purpose of kings nobel peace prize acceptance speech
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Besides the skull and cross bones what other shape sometimes appeared on flags flown by pirates?
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English, 22.06.2019 05:00
Choose the item which best answers the question. which words are intended most to capture the reader's attention? 1) "students excel" 2)"stimulating multimedia interactive format" 3) "plenty of electives available"
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